Oktie HassanzadehResearch scientist · Software engineer · Educator

The research library

Publications
& patents.

Research spanning data management, evaluation,
LLM-powered systems, and enterprise AI.

134 publications / 38 patent records

The library includes research papers, workshop papers, proceedings, and theses. Patent records include issued patents, applications, and entries marked “to be filed”; status is shown with each record.

172 results

Newest first
2026Publication

Towards Universal Tabular Embeddings: A Benchmark Across Data Tasks

L. Vogel, K. Srinivas, N. D'Souza, S. Shirai, O. Hassanzadeh, H. Samulowitz

PVLDB 20(2): 229–242

PDF Source Code
2026Publication

Text-to-SQL Evaluation Toolkit

O. Hassanzadeh, Y. Perlitz, N. Pham, T. Kaple, K. Zrobek, L. Vu, M. Glass, D. Subramanian, M. Pourreza, D. Rafiei

PVLDB (Demo Track)

PDF Source Code
2026Publication

When Text-to-SQL Evaluation Misleads: Rethinking Benchmarking Practices

O. Hassanzadeh, Y. Perlitz, N. Pham, T. Dinger, T. Kaple, L. Vu, M. Glass, S. Subramanian

IEEE ICDE (Extended Abstract)

PDF
2026Publication

HGR-TabE: Universal Tabular Embeddings via Maximal Correlation Alignment

N. S. D'Souza, L. Vogel, K. Srinivas, S. Shirai, O. Hassanzadeh, H. Samulowitz

2nd Workshop on Foundation Models for Structured Data @ ICML

PDF Source
2026Publication

Predicting Table Joinability in Data Lakes using a Metadata Knowledge Graph

S. Shirai, D. Bhattacharjya, O. Hassanzadeh, G. Rossiello

TaDA Workshop @ VLDB

PDF Resources
2026Publication

Can a Single Tabular Embedding Model Service Different Tasks?

N. S. D'Souza, L. Vogel, K. Srinivas, S. Shirai, O. Hassanzadeh, H. Samulowitz

TaDA Workshop @ VLDB

PDF Source
2026Publication

Same Query, Different Answer: Run-to-Run Variance in Semantic Query Processing

O. Hassanzadeh, D. Subramanian

CoRR/arXiv

PDF Source
2026Publication

Semantic Views: Certified Reuse of LLM Labels Across Semantic Queries

O. Hassanzadeh, D. Subramanian

CoRR/arXiv

PDF Source
2026Publication

Proceedings of the First Workshop on Structured Understanding, Retrieval, and Generation in the LLM Era (SURGeLLM 2026)

V. Gupta, K. Ding, H. Kokel, Y. Zhao, A. Agarwal, Y. Wang, M. Glass, Y. Zhang, K. Srinivas, X. Chen, O. Hassanzadeh, Q. Zhu, S. Chang, Y. Luo

Association for Computational Linguistics

PDF Source
2026Patent record

Self-Adaptive Semantic Query Execution Architecture for a Lakehouse SQL Engine

O. Hassanzadeh, X. Wang, D. Subramanian, N. H. Pham

US Patent Application. To be filed

2026Patent record

Three-Primitive Semantic Operator Core with Shared Adaptive Execution

O. Hassanzadeh, X. Wang, D. Subramanian, N. H. Pham

US Patent Application. To be filed

2026Patent record

Per-Query, Label-Free Configuration Racing for Semantic Operators

O. Hassanzadeh, X. Wang, D. Subramanian, N. H. Pham

US Patent Application. To be filed

2026Patent record

Confidence-Gated Small-to-Large Model Cascade for Bulk Semantic Operators

O. Hassanzadeh, X. Wang, D. Subramanian, N. H. Pham

US Patent Application. To be filed

2026Patent record

Compiling a Natural-Language Query Predicate into a Self-Validated Structured Execution Plan

O. Hassanzadeh, X. Wang, D. Subramanian, N. H. Pham

US Patent Application. To be filed

2026Patent record

Predicate-Aware Routing of Semantic Joins in Semantic Query Processing Systems

O. Hassanzadeh, X. Wang, D. Subramanian, N. H. Pham

US Patent Application. To be filed

2026Patent record

Using Out-of-Domain Text2SQL Seed Examples to Synthetically Generate In-Domain Training Data

T. R. Dinger, D. Subramanian, L. H. Vu, N. H. Pham, O. Hassanzadeh, C. A. Miksovic Czasch

US Patent Application. To be filed

2026Patent record

Self-Configurable Framework for Generating Data Insights from Natural Language Queries

O. Hassanzadeh, L. H. Vu, E. Toniato, N. Defosse, R. A. Young, N. H. Pham, T. R. Dinger, D. Subramanian

US Patent Application. To be filed

2025Publication

TabSketchFM: Sketch-based Tabular Representation Learning for Data Discovery over Data Lakes

A. Khatiwada, H. Kokel, I. Abdelaziz, S. Chaudhury, J. Dolby, O. Hassanzadeh, Z. Huang, T. Pedapati, H. Samulowitz, K. Srinivas

IEEE ICDE

PDF Source
2025Publication

Knowledge Base Construction for Knowledge-Augmented Text-to-SQL

J. Baek, H. Samulowitz, O. Hassanzadeh, D. Subramanian, S. Shirai, A. Gliozzo, D. Bhattacharjya

Findings of ACL

PDF Source
2025Publication

KG2Tables: A Domain-Specific Tabular Data Generator to Evaluate Semantic Table Interpretation Systems (Resource Paper)

N. Abdelmageed, E. Jiménez-Ruiz, O. Hassanzadeh, B. König-Ries

Trans. Graph Data Knowl.

PDF Source
2025Publication

TOPJoin: A Context-Aware Multi-Criteria Approach for Joinable Column Search

H. Kokel, A. Khatiwada, T. Pedapati, H. Ananthakrishnan, O. Hassanzadeh, H. Samulowitz, K. Srinivas

TaDA Workshop @ VLDB

PDF Source
2025Publication

Joint Proceedings of Industry, Doctoral Consortium, Posters and Demos of the 24th International Semantic Web Conference (ISWC-C 2025)

I. Celino, O. Hassanzadeh, A. Bernstein, N. F. Noy, G. Cheng, S. Wang, S. Ferrada, T. Soulard, K. Kozaki, H. Takeda, A. Gentile

CEUR Workshop Proceedings 4085, CEUR-WS.org (Nara, Japan, Nov 2-6)

Source
2025Publication

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with the 23rd International Semantic Web Conference (ISWC 2024) (SemTab 2024)

O. Hassanzadeh, M. Cremaschi, V. Cutrona, F. D'Adda, V. Efthymiou, B. Kruit, E. A. Lobo, N. H. Pham

CEUR Workshop Proceedings 3889, CEUR-WS.org (Baltimore, USA, Nov 13)

Source
2025Publication

Proceedings of the 19th International Workshop on Ontology Matching co-located with ISWC 2024 (OM-2024)

E. Jiménez-Ruiz, O. Hassanzadeh, C. Trojahn, S. Hertling, H. Li, P. Shvaiko, J. Euzenat

CEUR Workshop Proceedings 3897, CEUR-WS.org (Baltimore, USA, Nov 11)

Source
2025Publication

Results of SemTab 2025

O. Hassanzadeh, M. Cremaschi, F. D'Adda, F. J. Azanzi, J. P. BIKIM, E. Jimenez-Ruiz

OM@ISWC

Source
2025Patent record

Sensible Join Discovery Framework for Tabular Data Integration in Data Lakes

A. Khatiwada, A. M. Gliozzo, D. Bhattacharjya, G. Rossiello, H. Kokel, H. C. Samulowitz, K. Srinivas, O. Hassanzadeh, U. Khurana

US Patent Application. Filed June 2025

2025Patent record

Link Prediction Using an Ensemble of Representations and Rules

A. Khatiwada, O. Hassanzadeh, S. Shirai

US Patent Application. Filed September 2025

2025Patent record

Knowledge Generation for Natural Language Interfaces to Databases

A. M. Gliozzo, D. Subramanian, H. C. Samulowitz, J. Baek, O. Hassanzadeh, S. Shirai

US Patent Application. Filed May 2025

2025Patent record

Focused Natural Language Question Generation for Database Exploration

A. M. Gliozzo, D. Subramanian, G. Rossiello, L. Amini, L. H. Vu, M. F. M. Chowdhury, M. R. Glass, N. H. Pham, O. Hassanzadeh, T. Kaple, T. R. Dinger

US Patent Application. Filed March 2025

2024Publication

CHRONOS: A Schema-Based Event Understanding and Prediction System

M. Chang, A. Fokoue-nkoutche, R. Uceda-sosa, P. Awasthy, K. Barker, S. Kumaravel, O. Hassanzadeh, E. Figueiredo De Souza Soares, T. Gao, D. Bhattacharjya, H. Florian, S. Roukos

IAAI

PDF Source
2024Publication

Distilling Event Sequence Knowledge From Large Language Models

S. Wadhwa, O. Hassanzadeh, D. Bhattacharjya, K. Barker, J. Ni

ISWC

PDF Source
2024Publication

WikiCausal: Corpus and Evaluation Framework for Causal Knowledge Graph Construction

O. Hassanzadeh

ISWC Posters/Demos

PDF Source
2024Publication

KG2Tables: Your way to generate an STI benchmark for your domain

N. Abdelmageed, E. Jiménez-Ruiz, O. Hassanzadeh, B. König-Ries

ISWC Posters/Demos

Source
2024Publication

Knowledge Graphs in Pharmacovigilance: A Scoping Review

M. Hauben, M. Rafi, I. Abdelaziz, O. Hassanzadeh

Clinical Therapeutics

PDF Source
2024Publication

2nd International Workshop on Tabular Data Analysis (TaDA)

V. Efthymiou, S. Galhotra, O. Hassanzadeh, C. Lei, K. Srinivas

VLDB Workshops

Source
2024Publication

Results of SemTab 2024

O. Hassanzadeh, N. Abdelmageed, M. Cremaschi, V. Cutrona, F. D'Adda, V. Efthymiou, B. Kruit, E. Lobo, N. Mihindukulasooriya, N. H. Pham

SemTab@ISWC

Source
2024Patent record

Large-scale Schema Discovery for Lakehouses

A. M. Gliozzo, D. K. I. Weidele, G. Rossiello, M. F. M. Chowdhury, M. R. Glass, O. Hassanzadeh, S. Bagchi

United States Patent US12681906 B2. Filed May 2024. Issued July 14, 2026.

PDF Source
2023Publication

Pairwise Causality Guided Transformers for Event Sequences

X. Shou, D. Bhattacharjya, T. Gao, S. Subramanian, O. Hassanzadeh, K. Bennett

NeurIPS

Source
2023Publication

Event Prediction using Case-Based Reasoning over Knowledge Graphs

S. Shirai, D. Bhattacharjya, O. Hassanzadeh

WWW

PDF Source
2023Publication

Probabilistic Rule Induction from Event Sequences with Logical Summary Markov Models

D. Bhattacharjya, O. Hassanzadeh, R. Luss, K. Murugesan

IJCAI

PDF Source
2023Publication

Probabilistic Attention-to-Influence Neural Models for Event Sequences

X. Shou, D. Bhattacharjya, T. Gao, D. Subramanian, O. Hassanzadeh, K. Bennett

ICML

PDF Source
2023Publication

An analysis of one-to-one matching algorithms for entity resolution

G. Papadakis, V. Efthymiou, E. Thanos, O. Hassanzadeh, P. Christen

VLDB J.

PDF Source
2023Publication

Unleashing the Potential of Data Lakes with Semantic Enrichment using Foundation Models

N. Mihindukulasooriya, S. Dash, S. Bagchi, F. Chowdhury, G. Rossiello, A. Gliozzo, A. Farkash, M. Glass, I. Gokhman, O. Hassanzadeh, N. Pham, B. Rozenberg, Y. Sagron, S. Subramanian, T. Takahashi, T. Tateishi, L. Vu

ISWC Industry Track

Source
2023Publication

Conversational GUI for Semantic Automation Layer

D. K. I. Weidele, G. Rossiello, G. Bramble, A. N. Valente, S. Bagchi, Md. F. M. Chowdhury, M. Martino, N. Mihindukulasooriya, H. Ananthakrishnan, H. Strobelt, H. Patel, A. M. Gliozzo, O. Cornec, A. Gupta, S. Mehta, M. Kesarwani, H. Samulowitz, O. Hassanzadeh, A. Agarwal, L. Amini

ISWC Industry Track

Source
2023Publication

A Case-Based Reasoning Approach to Knowledge-Based Event Prediction

S. Shirai, D. Bhattacharjya, O. Hassanzadeh

ISWC Demo Track

Source
2023Publication

Matching Table Metadata with Business Glossaries Using Large Language Models

E. Lobo, O. Hassanzadeh, N. Pham, N. Mihindukulasooriya, D. Subramanian, H. Samulowitz

OM@ISWC

PDF Source
2023Publication

An Evaluation Framework for Mapping News Headlines to Event Classes in a Knowledge Graph

S. F. Mbouadeu, M. E. Lorenzo, K. Barker, O. Hassanzadeh

CASE @ RANLP

PDF Source
2023Publication

LakeBench: Benchmarks for Data Discovery over Data Lakes

K. Srinivas, J. Dolby, I. Abdelaziz, O. Hassanzadeh, H. Kokel, A. Khatiwada, T. Pedapati, S. Chaudhury, H. Samulowitz

CoRR/arXiv

PDF Source
2023Publication

Open Government Data Corpus for Table Search

M. Glass, S. Bagchi, O. Hassanzadeh, G. Rossiello, A. Gliozzo

CoRR/arXiv

PDF Source
2023Publication

Improving Neural Ranking Models with Traditional IR Methods

A. Saha, O. Hassanzadeh, A. Gittens, J. Ni, K. Srinivas, B. Yener

CoRR/arXiv

PDF Source
2023Publication

A Cross-Domain Evaluation of Approaches for Causal Knowledge Extraction

A. Saha, O. Hassanzadeh, A. Gittens, J. Ni, K. Srinivas, B. Yener

CoRR/arXiv

PDF Source
2023Publication

Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023)

R. Bordawekar, C. Cappiello, V. Efthymiou, L. Ehrlinger, V. Gadepally, S. Galhotra, S. Geisler, S. Groppe, L. Gruenwald, A. Y. Halevy, H. Harmouch, O. Hassanzadeh, I. F. Ilyas, E. Jiménez-Ruiz, S. Krishnan, T. Lahiri, G. Li, J. Lu, W. Mauerer, U. Farooq Minhas, F. Naumann, M. T. Özsu, E. Rezig, K. Srinivas, M. Stonebraker, S. R. Valluri, M. Vidal, H. Wang, J. Wang, Y. Wu, X. Xue, M. Zaït, K. Zeng

CEUR Workshop Proceedings 3462, CEUR-WS.org (Vancouver, Canada, Aug 28 - Sep 1)

Source
2023Publication

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching, SemTab 2023, co-located with ISWC 2023

V. Efthymiou, E. Jiménez-Ruiz, J. Chen, V. Cutrona, O. Hassanzadeh, J. Sequeda, K. Srinivas, N. Abdelmageed, M. Hulsebos, A. Khatiwada, K. Korini, B. Kruit

CEUR Workshop Proceedings 3557, CEUR-WS.org (Athens, Greece, Nov 6-10)

Source
2023Publication

Proceedings of the 18th International Workshop on Ontology Matching co-located with ISWC 2023 (OM@ISWC 2023)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, O. Hassanzadeh, C. Trojahn

CEUR Workshop Proceedings

Source
2023Publication

Results of SemTab 2023

O. Hassanzadeh, N. Abdelmageed, V. Efthymiou, J. Chen, V. Cutrona, M. Hulsebos, E. Jiménez-Ruiz, A. Khatiwada, K. Korini, B. Kruit, J. Sequeda, K. Srinivas

SemTab@ISWC

PDF Source
2023Publication

Preface: Tabular Data Analysis Workshop (TaDA)

V. Efthymiou, O. Hassanzadeh, E. Jiménez-Ruiz, K. Srinivas

VLDB Workshops

PDF Source
2022Publication

Summary Markov Models for Event Sequences

D. Bhattacharjya, S. Sihag, O. Hassanzadeh, L. Bialik

IJCAI

PDF Source
2022Publication

Knowledge-Based News event Analysis and Forecasting Toolkit

O. Hassanzadeh, P. Awasthy, K. Barker, O. Bhardwaj, D. Bhattacharjya, M. Feblowitz, L. Martie, J. Ni, K. Srinivas, L. Yip

IJCAI Demonstration Track

PDF Source
2022Publication

Knowledge-Based News Event Analysis Toolkit

O. Hassanzadeh, P. Awasthy, K. Barker, O. Bhardwaj, D. Bhattacharjya, M. Feblowitz, A. Khatiwada, L. Martie, S. F. Mbouadeu, J. Ni, A. Saha, S. Shirai, K. Srinivas, L. Yip

ISWC Industry Track

PDF Source
2022Publication

Bipartite Graph Matching Algorithms for Clean-Clean Entity Resolution: An Empirical Evaluation

G. Papadakis, V. Efthymiou, E. Thanos, O. Hassanzadeh

EDBT

PDF Source
2022Publication

SPOCK at FinCausal 2022: Causal Information Extraction Using Span-Based and Sequence Tagging Models

A. Saha, J. Ni, O. Hassanzadeh, A. Gittens, K. Srinivas, B. Yener

FinCausal @ LREC (Winning Team)

PDF Source
2022Publication

Rule-Based Link Prediction over Event-Related Causal Knowledge in Wikidata

S. Shirai, A. Khatiwada, O. Hassanzadeh, D. Bhattacharjya

Wikidata Workshop @ ISWC

PDF Source
2022Publication

Knowledge graph embeddings for causal relation prediction

A. Khatiwada, S. Shirai, K. Srinivas, O. Hassanzadeh

DL4KG @ ISWC

PDF Source
2022Publication

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching (SemTab 2022) co-located with ISWC 2022

V. Efthymiou, E. Jiménez-Ruiz, J. Chen, V. Cutrona, O. Hassanzadeh, J. Sequeda, K. Srinivas, N. Abdelmageed, M. Hulsebos

CEUR Workshop Proceedings

Source
2022Publication

Proceedings of the 17th International Workshop on Ontology Matching co-located with ISWC 2022 (OM@ISWC 2022)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, O. Hassanzadeh, C. Trojahn

CEUR Workshop Proceedings

Source
2022Publication

Open Knowledge Network Roadmap – Powering the next data revolution

C. Baru, et al.

NSF Report (September)

PDF Source
2021Publication

Predicting the Future with Wikidata and Wikipedia

O. Hassanzadeh

ISWC Demonstration

PDF Source
2021Publication

IBM Scenario Planning Advisor: A Neuro-Symbolic ERM Solution

M. Feblowitz, O. Hassanzadeh, M. Katz, S. Sohrabi, K. Srinivas, O. Udrea

AAAI Demonstration

PDF Source
2021Publication

Unsupervised Causal Knowledge Extraction from Text using Natural Language Inference

M. Bhandari, M. Feblowitz, O. Hassanzadeh, K. Srinivas, S. Sohrabi

AAAI Student Abstract

PDF Source
2021Publication

Building a Knowledge Graph of Events and Consequences Using Wikidata

O. Hassanzadeh

Wikidata Workshop @ ISWC

PDF Source
2021Publication

Scenario Planning In The Wild: A Neuro-Symbolic Approach

M. Katz, K. Srinivas, S. Sohrabi, M. Feblowitz, O. Udrea, O. Hassanzadeh

SPARK @ ICAPS

2021Publication

Towards a Framework for Data Excellence in Data-Centric AI: Lessons from the Semantic Web

O. Seneviratne, O. Hassanzadeh, D. Gruen, J. P. McCusker, D. McGuinness

NeurIPS DCAI Workshop

2021Publication

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching (SemTab 2021) co-located with ISWC 2021

E. Jiménez-Ruiz, O. Hassanzadeh, V. Efthymiou, J. Chen, K. Srinivas, V. Cutrona

CEUR Workshop Proceedings

Source
2021Publication

Proceedings of the 16th International Workshop on Ontology Matching co-located with ISWC 2021 (OM@ISWC 2021)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, O. Hassanzadeh, C. Trojahn

CEUR Workshop Proceedings

Source
2021Publication

Results of SemTab 2021

V. Cutrona, J. Chen, V. Efthymiou, O. Hassanzadeh, E. Jiménez-Ruiz, J. Sequeda, K. Srinivas, N. Abdelmageed, M. Hulsebos, D. Oliveira, C. Pesquita

SemTab@ISWC

PDF Source
2021Patent record

Unsupervised Causal Knowledge Extraction from Text

M. Bhandari, M. Feblowitz, O. Hassanzadeh, K. Srinivas, S. Sohrabi

United States Patent US11922129 B2. Filed June 2021. Issued March 5, 2024.

PDF Source
2021Patent record

Automated Scenario Generation from Text

M. Katz, K. Srinivas, S. Sohrabi, M. Feblowitz, O. Udrea, O. Hassanzadeh

United States Patent US12456072 B2. Filed March 2021. Issued October 28, 2025.

PDF Source
2020Publication

Causal Knowledge Extraction through Large-Scale Text Mining

O. Hassanzadeh, D. Bhattacharjya, M. Feblowitz, K. Srinivas, M. Perrone, S. Sohrabi, M. Katz

AAAI (Demonstration)

PDF Source
2020Publication

IBM Scenario Planning Advisor: A Neuro-Symbolic ERM solution

M. Feblowitz, O. Hassanzadeh, M. Katz, S. Sohrabi, K. Srinivas, O. Udrea

ICAPS System Demonstration (Best System Demonstration Award)

PDF Source
2020Publication

SemTab 2019: Resources to Benchmark Tabular Data to Knowledge Graph Matching Systems

E. Jiménez-Ruiz, O. Hassanzadeh, V. Efthymiou, J. Chen, K. Srinivas

ESWC

PDF Source
2020Publication

Interactive Planning-Based Hypothesis Generation with LTS++

S. Sohrabi, O. Udrea, A. Riabov, O. Hassanzadeh

Knowledge Engineering Tools and Techniques for AI Planning

Source
2020Publication

A minimal information model for potential drug-drug interactions

H. Hochheiser, X. Jing, E. Garcia, S. Ayvaz, R. Sahay, M. Dumontier, J. M. Banda, O. Beyan, M. Brochhausen, E. Draper, S. Habiel, O. Hassanzadeh, M. Herrero-Zazo, B. Hocum, J. Horn, B. Lebaron, D. C. Malone, Ø. Nytrø, T. Reese, K. Romagnoli, J. Schneider, L. Y. Zhang, R. D. Boyce

Frontiers in Pharmacology

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2020Publication

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching (SemTab 2020) co-located with ISWC 2020

E. Jiménez-Ruiz, O. Hassanzadeh, V. Efthymiou, J. Chen, K. Srinivas, V. Cutrona

CEUR Workshop Proceedings (November 5)

Source
2020Publication

Proceedings of the 15th International Workshop on Ontology Matching co-located with ISWC 2020 (OM@ISWC 2020)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, O. Hassanzadeh, C. Trojahn

CEUR Workshop Proceedings 2788, CEUR-WS.org

Source
2020Publication

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with ISWC 2019 (SemTab@ISWC 2019)

E. Jiménez-Ruiz, O. Hassanzadeh, K. Srinivas, V. Efthymiou, J. Chen

CEUR Workshop Proceedings 2553, CEUR-WS.org (Auckland, New Zealand, Oct 30)

Source
2020Publication

Proceedings of the 14th International Workshop on Ontology Matching co-located with ISWC 2019 (OM@ISWC 2019)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, O. Hassanzadeh, C. Trojahn

CEUR Workshop Proceedings 2536, CEUR-WS.org (Auckland, New Zealand, Oct 26)

Source
2020Publication

Results of SemTab 2020

E. Jiménez-Ruiz, O. Hassanzadeh, V. Efthymiou, J. Chen, K. Srinivas, V. Cutrona

SemTab@ISWC

PDF Source
2019Publication

Answering Binary Causal Questions Through Large-Scale Text Mining: An Evaluation Using Cause-Effect Pairs from Human Experts

O. Hassanzadeh, D. Bhattacharjya, M. D. Feblowitz, K. Srinivas, M. Perrone, S. Sohrabi, M. Katz

IJCAI

PDF Source
2019Publication

IBM Scenario Planning Advisor: Plan recognition as AI planning in practice

S. Sohrabi, M. Katz, O. Hassanzadeh, O. Udrea, M. D. Feblowitz, A. Riabov

AI Commun.

PDF Source
2019Publication

Automated Feature Enhancement for Predictive Modeling using External Knowledge

S. Galhotra, U. Khurana, O. Hassanzadeh, K. Srinivas, H. Samulowitz, M. Qi

ICDM Demonstration Track

Source
2019Publication

KAFE: Automated Feature Enhancement for Predictive Modeling using External Knowledge

S. Galhotra, U. Khurana, O. Hassanzadeh, K. Srinivas, H. Samulowitz

KR2ML @ NeurIPS

Source
2019Patent record

Causal Knowledge Extraction from Text

O. Hassanzadeh, D. Bhattacharjya, M. D. Feblowitz, K. Srinivas, M. Perrone, S. Sohrabi, M. Katz

US Patent Application US20200401910 A1. Filed June 2019

PDF Source
2018Publication

Semantic Concept Discovery over Event Databases

O. Hassanzadeh, S. Trewin, A. Gliozzo

ESWC (Best In-Use Track Paper Award)

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2018Publication

IBM Scenario Planning Advisor: Plan Recognition as AI Planning in Practice

S. Sohrabi, M. Katz, O. Hassanzadeh, O. Udrea, M. D. Feblowitz

IJCAI (Runner-Up Best Demo Award)

PDF Source
2018Publication

Inducing Implicit Relations from Text Using Distantly Supervised Deep Nets

M. Glass, A. Gliozzo, O. Hassanzadeh, N. Mihindukulasooriya, G. Rossiello

ISWC

PDF Source
2018Publication

Ontology Augmentation Through Matching with Web Tables

O. Lehmberg, O. Hassanzadeh

OM Workshop

PDF Source
2018Publication

Proceedings of the 13th International Workshop on Ontology Matching co-located with ISWC 2018 (OM@ISWC 2018)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh, R. Ichise

CEUR Workshop Proceedings 2288, CEUR-WS.org (Monterey, CA, USA, Oct 8)

Source
2018Patent record

Semantic Concept Discovery over Event Databases

O. Hassanzadeh, S. Trewin, A. Gliozzo

United States Patent US11074266 B2. Filed October 2018. Issued July 27, 2021.

PDF Source
2018Patent record

High-Quality Knowledge Base Construction Through Comprehensive Noise Detection

N. Mihindukulasooriya, O. Hassanzadeh, S. Dash, A. Gliozzo

United States Patent US11693896 B2. Filed September 2018. Issued July 4, 2023.

PDF Source
2017Publication

Large-scale structural and textual similarity-based mining of knowledge graph to predict drug-drug interactions

I. Abdelaziz, A. Fokoue, O. Hassanzadeh, P. Zhang, M. Sadoghi

J. Web Semant.

PDF Source
2017Publication

Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings

V. Efthymiou, O. Hassanzadeh, M. Rodriguez-Muro, V. Christophides

ISWC

PDF Source
2017Publication

Semantic Concept Discovery Over Event Data

O. Hassanzadeh, S. Trewin, A. Gliozzo

ISWC Industry Track

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2017Publication

Proceedings of the 11th International Workshop on Ontology Matching collocated with ISWC 2017 (OM@ISWC 2017)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh, R. Ichise

CEUR Workshop Proceedings 2032, CEUR-WS.org (Vienna, Austria, Oct 21)

Source
2016Publication

Predicting Drug-Drug Interactions Through Large-Scale Similarity-Based Link Prediction

A. Fokoue, M. Sadoghi, O. Hassanzadeh, P. Zhang

ESWC (Best Industrial Track Paper Award)

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2016Publication

Predicting Drug-Drug Interactions Through Similarity-Based Link Prediction Over Web Data

A. Fokoue, O. Hassanzadeh, M. Sadoghi, P. Zhang

WWW Companion

Source
2016Publication

Self-Curating Databases

M. Sadoghi, K. Srinivas, O. Hassanzadeh, Y. Chang, M. Canim, A. Fokoue, Y. Feldman

EDBT

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2016Publication

Tiresias: Knowledge Engineering and Large-Scale Machine Learning for Interpretable Drug-Drug Interaction Prediction

A. Fokoue, O. Hassanzadeh, M. Sadoghi, P. Zhang

AMIA System Demonstration

Source
2016Publication

Towards Large-Scale Predictive Drug Safety: A Computational Framework for Inferring Drug Interactions Through Similarity-Based Link Prediction

A. Fokoue, O. Hassanzadeh, M. Sadoghi, P. Zhang

AMIA Poster

Source
2016Publication

Joint Learning of Local and Global Features for Entity Linking via Neural Networks

T. H. Nguyen, N. R. Fauceglia, M. Rodriguez-Muro, O. Hassanzadeh, A. M. Gliozzo, M. Sadoghi

COLING

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2016Publication

Finding Diverse High-Quality Plans for Hypothesis Generation

S. Sohrabi, A. V. Riabov, O. Udrea, O. Hassanzadeh

ECAI

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2016Publication

Interactive Planning-Based Hypothesis Generation with LTS++

S. Sohrabi, A. V. Riabov, O. Udrea, O. Hassanzadeh

IJCAI

Source
2016Publication

Proceedings of the 11th International Workshop on Ontology Matching collocated with ISWC 2016 (OM@ISWC 2016)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh, R. Ichise

CEUR Workshop Proceedings 1766 (Kobe, Japan, Oct 18)

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2016Publication

Proceedings of the 10th International Workshop on Ontology Matching collocated with ISWC 2015 (OM@ISWC 2015)

P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh

CEUR Workshop Proceedings 1545 (Bethlehem, PA, USA, Oct 12)

Source
2016Patent record

System and Method for Learning Semantic-Aware Graph Embeddings Using Set-centric Approach

G. I. Diaz, A. Fokoue, M. Sadoghi, O. Hassanzadeh, M. Rodriguez-Muro

United States Patent US11188828 B2. Filed November 2016. Issued November 30, 2021. IBM Docket YOR820161380.

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2016Patent record

System and Method for Joint Learning of Local and Global Features for Entity Linking via Neural Networks

T. H. Nguyen, N. R. Fauceglia, M. Sadoghi, M. Rodriguez-Muro, O. Hassanzadeh, A. M. Gliozzo

United States Patent US11755885 B2. Filed October 2016. Issued September 12, 2023. IBM Docket YOR820161390.

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2016Patent record

Augmenting Knowledge Graphs with Concise Higher-Level Relationships

R. Farrell, M. Sadoghi, O. Hassanzadeh, M. Sellmann

United States Patent US10380187 B2. Filed August 2016. Issued August 13, 2019. IBM Docket YOR820161233.

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2016Patent record

Automatic and Interpretable Linkage Prediction Through Knowledge-Driven Similarity Analysis

O. Hassanzadeh, A. Fokoue, M. Sadoghi, R. Farrell, M. Sellmann, P. Zhang

United States Patent US10643135 B2. Filed July 2016. Issued May 5, 2020. IBM Docket YOR820160603.

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2016Patent record

System and Methods for Expressive Temporal Prediction Over Semantically-Driven Time Window

M. Sadoghi, R. Farrell, O. Hassanzadeh, M. Sellmann

United States Patent US10795937 B2. Filed July 2016. Issued October 6, 2020. IBM Docket YOR820160591.

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2016Patent record

A Method and System for Efficient Online, Iterative, Targeted Feature Selection

R. Farrell, M. Sadoghi, M. Sellmann, O. Hassanzadeh

United States Patent US10621497 B2. Filed July 2016. Issued April 14, 2020. IBM Docket YOR820160589.

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2015Publication

Toward a Complete Dataset of Drug-Drug Interaction Information from Publicly Available Sources

S. Ayvaz, J. R. Horn, O. Hassanzadeh, Q. Zhu, J. Stan, N. P. Tatonetti, S. Vilar, M. Brochhausen, M. Samwald, M. Rastegar-Mojarad, M. Dumontier, R. D. Boyce

J. Biomedical Informatics

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2015Publication

Schema Management for Document Stores

L. Wang, O. Hassanzadeh, S. Zhang, J. Shi, L. Jiao, J. Zou, C. Wang

PVLDB

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2015Publication

Automatic Curation of Clinical Trials Data in LinkedCT

O. Hassanzadeh, R. J. Miller

ISWC

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2015Publication

LinkedCT Live: Platform for Online Curation of Clinical Trials Data

O. Hassanzadeh, R. J. Miller, F. Nargesian, E. Zhu

ISWC Demonstration

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2015Publication

VizCurator: A Visual Tool for Curating Open Data

B. Ghadiri Bashardoost, C. Christodoulakis, S. Hassas Yeganeh, R. J. Miller, K. Lyons, O. Hassanzadeh

WWW Companion

Source
2015Publication

Understanding a Large Corpus of Web Tables Through Matching with Knowledge Bases

O. Hassanzadeh, M. J. Ward, K. Srinivas, M. Rodriguez-Muro

OM Workshop

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2015Patent record

Knowledge Graph Augmentation through Schema Extension

O. Hassanzadeh, O. Lehmberg, M. Sadoghi Hamedani

United States Patent US11204960 B2. Filed September 2015. Issued December 21, 2021. IBM Docket YOR820151554.

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2015Patent record

A System for Personalized and Detailed Adverse Drug Reactions Prediction

A. Fokoue, P. Zhang, O. Hassanzadeh, M. Sadoghi Hamedani, M. Sellmann

US Patent Application US20170116376 A1. IBM Docket YOR820151392. Filed September 2015.

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2015Patent record

Method and Apparatus for Identifying Semantically Related Records

A. Kementsietsidis, O. Hassanzadeh

United States Patent US11227002 B2. Filed September 2015. Issued January 18, 2022. IBM Docket YOR820140306.

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2014Publication

Exploring Big Data with Helix: Finding Needles in a Big Haystack

J. B. Ellis, A. Fokoue, O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward

SIGMOD Record

PDF Source
2014Patent record

Method to Compute Top-K Plans and Top-M Clusters of Plans

S. Sohrabi, O. Udrea, A. V. Riabov, O. Hassanzadeh

United States Patent US9747550 B2. Filed September 2014. Issued August 29, 2017. IBM Docket YOR820140621.

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2014Patent record

A Method for Data Virtualization Across Heterogeneous Formats

O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward, A. Fokoue

United States Patent US10740304 B2. Filed May 2014. Issued August 11, 2020. IBM Docket YOR820131244.

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2014Patent record

Database Query Processing Using Horizontal Data Record Alignment of Multi-Column Range Summaries

M. Sadoghi Hamedani, T. Malkemus, Y. Chang, O. Hassanzadeh

United States Patent US9792341 B2. Filed June 2, 2014. Issued October 17, 2017.

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2013Publication

Discovering Linkage Points over Web Data

O. Hassanzadeh, K. Q. Pu, S. Hassas Yeganeh, R. J. Miller, M. Hernandez, L. Popa, H. Ho

PVLDB

PDF Source
2013Publication

Next Generation Data Analytics at IBM Research

O. Hassanzadeh, A. Kementsietsidis, B. Kimelfeld, R. Krishnamurthy, F. Ozcan, I. Pandis

VLDB Industry Vision

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2013Publication

Extending the Web of Drug Identity with Knowledge Extracted from United States Product Labels

O. Hassanzadeh, Q. Zhu, R. Freimuth, R. D. Boyce

AMIA Summit on Translational Bioinformatics

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2013Publication

Dynamic Enhancement of Drug Product Labels to Support Drug Safety, Efficacy, and Effectiveness

R. D. Boyce, J. R. Horn, O. Hassanzadeh, A. de Waard, J. Schneider, J. S. Luciano, M. Rastegar-Mojarad, M. Liakata

J. Biomedical Semantics

PDF Source
2013Patent record

Methods and System for Discovery of Linkage Points between Data Sources

O. Hassanzadeh, M. Hernandez, L. Popa, H. Ho

United States Patent US10599732 B2. Filed January 2013. Issued March 24, 2020. IBM Docket YOR820121699.

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2013Patent record

Uniform Search, Navigation and Combination of Heterogeneous Data

J. Ellis, O. Hassanzadeh, M. J. Ward

United States Patent US9569506 B2. Filed May 2013. Issued February 14, 2017. IBM Docket YOR820121432.

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2012Publication

Instance-Based Matching of Large Ontologies Using Locality-Sensitive Hashing

S. Duan, A. Fokoue, O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward

ISWC

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2012Publication

Data Management Issues on the Semantic Web

O. Hassanzadeh, A. Kementsietsidis, Y. Velegrakis

ICDE Seminar

PDF Source
2012Publication

Publishing Bibliographic Data on the Semantic Web using BibBase

R. S. Xin, O. Hassanzadeh, C. Fritz, S. Sohrabi, R. J. Miller

Semantic Web Journal

PDF Source
2012Publication

Semantic Link Discovery over Relational Data

O. Hassanzadeh, A. Kementsietsidis, L. Lim, R. J. Miller, M. Wang

Book Chapter: Semantic Search over the Web, Springer

Source
2012Publication

Record Linkage for Web Data

O. Hassanzadeh

Ph.D. Thesis, University of Toronto

PDF Source
2012Patent record

System and Methods for Linking Data Elements Based on Similarity of Data Values and Semantic Annotations

M. A. Bornea, S. Duan, A. Fokoue, O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward

US Patent Application US20130332467 A1 (13/543,872). Filed July 8, 2012.

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2012Patent record

System and Methods for Linking Data Elements Based on Similarity of Data Values and Semantic Annotations

M. A. Bornea, S. Duan, A. Fokoue, O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward

United States Patent US10229200 B2 (13/491,724). Filed June 8, 2012. Issued March 12, 2019.

PDF Source
2011Publication

Linked Open Drug Data for Pharmaceutical Research and Development

M. Samwald, A. Jentzsch, C. Bouton, C. Kallesøe, E. Willighagen, J. Hajagos, M. S. Marshall, E. Prud'hommeaux, O. Hassanzadeh, E. Pichler, S. Stephens

J. Cheminformatics

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2011Publication

Helix: Online Enterprise Data Analytics

O. Hassanzadeh, S. Duan, A. Fokoue, A. Kementsietsidis, K. Srinivas, M. J. Ward

WWW Demo Track

Source
2011Publication

Linking Semistructured Data on the Web

S. Hassas Yeganeh, O. Hassanzadeh, R. J. Miller

WebDB

Source
2011Patent record

Annotating Schema Elements Based on Associating Data Instances with Knowledge Base Entities

S. Duan, A. Fokoue, O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward

United States Patent US9959326 B2. Filed March 2011. Issued May 1, 2018.

PDF Source
2011Patent record

Aggregating Search Results Based on Associating Data Instances with Knowledge Base Entities

S. Duan, A. Fokoue, O. Hassanzadeh, A. Kementsietsidis, K. Srinivas, M. J. Ward

US Patent Application US20120246154 A1. Filed March 2011.

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2011Patent record

Semantic Link Discovery

O. Hassanzadeh, A. Kementsietsidis, L. Lim, M. Wang

US Patent Application US20110106836 A1. 2009.

PDF Source
2010Publication

Online Annotation of Text Streams with Structured Entities

K. Q. Pu, O. Hassanzadeh, R. Drake, R. J. Miller

CIKM

Source
2010Publication

BibBase Triplified

O. Hassanzadeh, R. S. Xin, C. Fritz, Y. Yang, J. Du, M. Zhao, R. J. Miller

I-SEMANTICS (Honorary Mention Triplification Challenge)

Source
2010Publication

Publishing Bibliographic Data on the Semantic Web using BibBase

R. S. Xin, O. Hassanzadeh, C. Fritz, Y. Yang, J. Du, M. Zhao, R. J. Miller

ISWC Poster & Demo

PDF Source
2009Publication

A Framework for Semantic Link Discovery over Relational Data

O. Hassanzadeh, A. Kementsietsidis, L. Lim, R. J. Miller, M. Wang

CIKM

Source
2009Publication

Creating Probabilistic Databases from Duplicated Data

O. Hassanzadeh, R. J. Miller

VLDB J.

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2009Publication

Framework For Evaluating Clustering Algorithms In Duplicate Detection

O. Hassanzadeh, F. Chiang, H. C. Lee, R. J. Miller

PVLDB

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2009Publication

Linkage Query Writer

O. Hassanzadeh, R. Xin, R. J. Miller, A. Kementsietsidis, L. Lim, M. Wang

VLDB Demonstration Track

PDF Source
2009Publication

A Declarative Framework for Semantic Link Discovery over Relational Data

O. Hassanzadeh, L. Lim, A. Kementsietsidis, M. Wang

WWW Poster

Source
2009Publication

Linking Open Drug Data (Triplification Challenge)

A. Jentzsch, J. Zhao, O. Hassanzadeh, K. Cheung, M. Samwald, B. Andersson

I-SEMANTICS (1st Prize Triplification Challenge)

2009Publication

Linked Movie Data Base

O. Hassanzadeh, M. P. Consens

LDOW @ WWW

PDF Source
2009Publication

Enabling Tailored Therapeutics with Linked Data

A. Jentzsch, B. Andersson, O. Hassanzadeh, S. Stephens, C. Bizer

LDOW @ WWW

2009Publication

LinkedCT: A Data Space for Clinical Trials

O. Hassanzadeh, L. Lim, A. Kementsietsidis, R. J. Miller, M. Wang

Technical Report CSRG-596, UofT

PDF Source
2009Patent record

Semantic-Aware Record Matching

O. Hassanzadeh, A. Kementsietsidis, L. Lim, M. Wang

United States Patent US8468160 B2. Filed October 2009. Issued June 18, 2013.

PDF Source
2008Publication

Linked Movie Data Base

O. Hassanzadeh, M. P. Consens

I-SEMANTICS (1st Prize Triplification Challenge)

Source
2008Publication

Automated Protein Structure Classification: A Survey

O. Hassanzadeh

Technical Report CSRG-589, UofT

PDF Source
2007Publication

Benchmarking Declarative Approximate Selection Predicates

A. Chandel, O. Hassanzadeh, N. Koudas, M. Sadoghi, D. Srivastava

SIGMOD

PDF Source
2007Publication

Accuracy of Approximate String Joins Using Grams

O. Hassanzadeh, M. Sadoghi, R. J. Miller

QDB @ VLDB

2007Publication

Benchmarking Declarative Approximate Selection Predicates

O. Hassanzadeh

M.Sc. Thesis, University of Toronto

PDF Source
2007Publication

Probabilistic Management Of Duplicated Data

O. Hassanzadeh, R. J. Miller

Technical Report CSRG-568, UofT

2005Publication

Refreshing Web Page Repositories

O. Hassanzadeh

B.Sc. Thesis, Sharif University of Technology

2005Publication

A Hybrid Approach for Refreshing Web Page Repositories

M. Ghodsi, O. Hassanzadeh, Sh. Kamali, M. Monemizadeh

10th International Conference on Database Systems for Advanced Applications (DASFAA)

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BibTeX citation