Christopher A. Welty

According to our database, Christopher A. Welty authored at least 114 papers between 1994 and 2023.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of four.

2023

Follow the leader(board) with confidence: Estimating p-values from a single test set with item and response variance.

Shira Wein, Christopher Homan, Lora Aroyo, Chris Welty

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2023, 2023

2022

Addressing Label Sparsity With Class-Level Common Sense for Google Maps.

Chris Welty, Lora Aroyo, Flip Korn, Sara M. McCarthy, Shubin Zhao

Frontiers Artif. Intell., 2022

Annotator Response Distributions as a Sampling Frame.

Christopher Homan, Tharindu Cyril Weerasooriya, Lora Aroyo, Chris Welty

Proceedings of the 1st Workshop on Perspectivist Approaches to NLPerspectives@LREC 2022, 2022

Vexation-Aware Active Learning for On-Menu Restaurant Dish Availability.

Jean-François Kagy, Flip Korn, Afshin Rostamizadeh, Chris Welty

Proceedings of the KDD '22: The 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Washington, DC, USA, August 14, 2022

2021

Empirical methodology for crowdsourcing ground truth.

Anca Dumitrache, Oana Inel, Benjamin Timmermans, Carlos Martinez-Ortiz, Robert-Jan Sips, Lora Aroyo, Chris Welty

Semantic Web, 2021

Betting on Bets.

Chris Welty, Praveen K. Paritosh, Kurt D. Bollacker

AI Mag., 2021

Rapid Instance-Level Knowledge Acquisition for Google Maps from Class-Level Common Sense.

Chris Welty, Lora Aroyo, Flip Korn, Sara M. McCarthy, Shubin Zhao

Proceedings of the Ninth AAAI Conference on Human Computation and Crowdsourcing, 2021

2020

The AI Bookie - Place Your Bets: Will Machine Learning Outgrow Human Labeling?

Mike Schaekermann, Christopher Homan, Lora Aroyo, Praveen K. Paritosh, Kurt D. Bollacker, Chris Welty

AI Mag., 2020

Embedding Semantic Taxonomies.

Alyssa Lees, Chris Welty, Shubin Zhao, Jacek Korycki, Sara Mc Carthy

Proceedings of the 28th International Conference on Computational Linguistics, 2020

2019

Metrology for AI: From Benchmarks to Instruments.

Chris Welty, Praveen K. Paritosh, Lora Aroyo

CoRR, 2019

What is Fair? Exploring Pareto-Efficiency for Fairness Constrained Classifiers.

Ananth Balashankar, Alyssa Lees, Chris Welty, Lakshminarayanan Subramanian

CoRR, 2019

The AI Bookie The Future of Voice Interfaces to Intelligent Assistants.

Chris Welty, Lora Aroyo, Eric Horvitz

AI Mag., 2019

Discovering User Bias in Ordinal Voting Systems.

Alyssa Lees, Chris Welty

Proceedings of the Companion of The 2019 World Wide Web Conference, 2019

Crowdsourcing Inclusivity: Dealing with Diversity of Opinions, Perspectives and Ambiguity in Annotated Data.

Lora Aroyo, Anca Dumitrache, Oana Inel, Zoltán Szlávik, Benjamin Timmermans, Chris Welty

Proceedings of the Companion of The 2019 World Wide Web Conference, 2019

Taxonomy Embeddings on PubMed Article Subject Headings.

Alyssa Lees, Jacek Korycki, Chris Welty, Shubin Zhao

Proceedings of the 4th International Workshop on Semantics-Powered Data Mining and Analytics co-located with the 18th International Semantic Web Conference (ISWC 2019), 2019

A Crowdsourced Frame Disambiguation Corpus with Ambiguity.

Anca Dumitrache, Lora Aroyo, Chris Welty

Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2019

2018

Crowdsourcing Ground Truth for Medical Relation Extraction.

Anca Dumitrache, Lora Aroyo, Chris Welty

ACM Trans. Interact. Intell. Syst., 2018

Crowdsourcing Semantic Label Propagation in Relation Classification.

Anca Dumitrache, Lora Aroyo, Chris Welty

CoRR, 2018

CrowdTruth 2.0: Quality Metrics for Crowdsourcing with Disagreement.

Anca Dumitrache, Oana Inel, Lora Aroyo, Benjamin Timmermans, Chris Welty

CoRR, 2018

The AI Bookie Place Your Bets: Adversarial Collaboration for Scientific Advancement.

Kurt D. Bollacker, Praveen K. Paritosh, Chris Welty

AI Mag., 2018

The Quantum Collective.

Lora Aroyo, Chris Welty

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

Augmenting Intelligence with Humans-in-the-Loop (HumL@WWW2018) Chairs' Welcome & Organization.

Lora Aroyo, Gianluca Demartini, Anna Lisa Gentile, Chris Welty

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

CrowdTruth 2.0: Quality Metrics for Crowdsourcing with Disagreement (short paper).

Anca Dumitrache, Oana Inel, Lora Aroyo, Benjamin Timmermans, Chris Welty

Proceedings of the 1st Workshop on Subjectivity, 2018

Capturing Ambiguity in Crowdsourcing Frame Disambiguation.

Anca Dumitrache, Lora Aroyo, Chris Welty

Proceedings of the Sixth AAAI Conference on Human Computation and Crowdsourcing, 2018

2017

False Positive and Cross-relation Signals in Distant Supervision Data.

Anca Dumitrache, Lora Aroyo, Chris Welty

Proceedings of the 6th Workshop on Automated Knowledge Base Construction, 2017

2015

Truth Is a Lie: Crowd Truth and the Seven Myths of Human Annotation.

Lora Aroyo, Chris Welty

AI Mag., 2015

Crowdsourcing ground truth for Question Answering using CrowdTruth.

Benjamin Timmermans, Lora Aroyo, Chris Welty

Proceedings of the ACM Web Science Conference, 2015

CrowdTruth Measures for Language Ambiguity: The Case of Medical Relation Extraction.

Anca Dumitrache, Lora Aroyo, Chris Welty

Proceedings of the Third International Workshop on Linked Data for Information Extraction (LD4IE2015) co-located with the 14th International Semantic Web Conference (ISWC 2015), 2015

Achieving Expert-Level Annotation Quality with CrowdTruth: The Case of Medical Relation Extraction.

Anca Dumitrache, Lora Aroyo, Chris Welty

Proceedings of International Workshop on Biomedical Data Mining, 2015

Medical Concept Resolution.

Nitish Aggarwal, Ken Barker, Chris Welty

Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), 2015

2014

The Three Sides of CrowdTruth.

Lora Aroyo, Chris Welty

Hum. Comput., 2014

2013

Semantic Web and Best Practice in Watson.

Chris Welty

Proceedings of the Workshop on Semantic Web Enterprise Adoption and Best Practice Co-located with 12th International Semantic Web Conference (ISWC 2013), 2013

Content and Behaviour Based Metrics for Crowd Truth.

Guillermo Soberon, Lora Aroyo, Chris Welty, Oana Inel, Manfred Overmeen, Hui Lin

Proceedings of the 1st International Workshop on Crowdsourcing the Semantic Web, 2013

Domain-Independent Quality Measures for Crowd Truth Disagreement.

Oana Inel, Lora Aroyo, Chris Welty, Robert-Jan Sips

Proceedings of the third Workshop on Detection, 2013

"Dr. Detective": combining gamification techniques and crowdsourcing to create a gold standard in medical text.

Anca Dumitrache, Lora Aroyo, Chris Welty, Robert-Jan Sips, Anthony Levas

Proceedings of the 1st International Workshop on Crowdsourcing the Semantic Web, 2013

Long-Distance Time-Event Relation Extraction.

Alessandro Moschitti, Siddharth Patwardhan, Chris Welty

Proceedings of the Sixth International Joint Conference on Natural Language Processing, 2013

Measuring Crowd Truth for Medical Relation Extraction.

Lora Aroyo, Chris Welty

Proceedings of the 2013 AAAI Fall Symposia, Arlington, Virginia, USA, November 15-17, 2013, 2013

2012

Typing candidate answers using type coercion.

J. William Murdock, Aditya Kalyanpur, Chris Welty, James Fan, David A. Ferrucci, David Gondek, Lei Zhang, Hiroshi Kanayama

IBM J. Res. Dev., 2012

Structured data and inference in DeepQA.

Aditya Kalyanpur, Branimir Boguraev, Siddharth Patwardhan, J. William Murdock, Adam Lally, Chris Welty, John M. Prager, Bonaventura Coppola, Achille Fokoue-Nkoutche, Lei Zhang, Yue Pan, Zhaoming Qiu

IBM J. Res. Dev., 2012

A framework for merging and ranking of answers in DeepQA.

David Gondek, Adam Lally, Aditya Kalyanpur, J. William Murdock, Pablo Ariel Duboue, Lei Zhang, Yue Pan, Zhaoming Qiu, Chris Welty

IBM J. Res. Dev., 2012

Finding needles in the haystack: Search and candidate generation.

Jennifer Chu-Carroll, James Fan, Branimir Boguraev, David Carmel, Dafna Sheinwald, Chris Welty

IBM J. Res. Dev., 2012

A Comparison of Hard Filters and Soft Evidence for Answer Typing in Watson.

Chris Welty, J. William Murdock, Aditya Kalyanpur, James Fan

Proceedings of the Semantic Web - ISWC 2012, 2012

Query Driven Hypothesis Generation for Answering Queries over NLP Graphs.

Chris Welty, Ken Barker, Lora Aroyo, Shilpa Arora

Proceedings of the Semantic Web - ISWC 2012, 2012

Harnessing Disagreement for Event Semantics.

Chris Welty, Lora Aroyo

Proceedings of the Workhop on Detection, 2012

When Did that Happen? - Linking Events and Relations to Timestamps.

Dirk Hovy, James Fan, Alfio Massimiliano Gliozzo, Siddharth Patwardhan, Christopher A. Welty

Proceedings of the EACL 2012, 2012

2011

Leveraging Community-Built Knowledge for Type Coercion in Question Answering.

Aditya Kalyanpur, J. William Murdock, James Fan, Christopher A. Welty

Proceedings of the Semantic Web - ISWC 2011, 2011

Using Part-Of Relations for Discovering Causality.

Rutu Mulkar-Mehta, Christopher A. Welty, Jerry R. Hobbs, Eduard H. Hovy

Proceedings of the Twenty-Fourth International Florida Artificial Intelligence Research Society Conference, 2011

2010

Introduction to the Special Issue on Question Answering.

David Gunning, Vinay K. Chaudhri, Chris Welty

AI Mag., 2010

Building Watson: An Overview of the DeepQA Project.

David A. Ferrucci, Eric W. Brown, Jennifer Chu-Carroll, James Fan, David Gondek, Aditya Kalyanpur, Adam Lally, J. William Murdock, Eric Nyberg, John M. Prager, Nico Schlaefer, Christopher A. Welty

AI Mag., 2010

Context Slices: Representing Contexts in OWL.

Chris Welty

Proceedings of the 2nd International Workshop on Ontology Patterns, 2010

Archeology for Ontology Patterns.

Chris Welty

Proceedings of the 2nd International Workshop on Ontology Patterns, 2010

Learning to Predict Readability using Diverse Linguistic Features.

Rohit J. Kate, Xiaoqiang Luo, Siddharth Patwardhan, Martin Franz, Radu Florian, Raymond J. Mooney, Salim Roukos, Chris Welty

Proceedings of the COLING 2010, 2010

2009

An Overview of OntoClean.

Nicola Guarino, Christopher A. Welty

Proceedings of the Handbook on Ontologies, 2009

2008

SemantiClean.

Christopher A. Welty, J. William Murdock, James Fan

Lang. Resour. Evaluation, 2008

2007

Scalable Cleanup of Information Extraction Data Using Ontologies.

Julian Dolby, James Fan, Achille Fokoue, Aditya Kalyanpur, Aaron Kershenbaum, Li Ma, J. William Murdock, Kavitha Srinivas, Christopher A. Welty

Proceedings of the Semantic Web, 2007

COALA: A Tool for Inter-document Coreference Resolution Evaluation.

Bradley M. Andrews, James Fan, J. William Murdock, Chris Welty

Proceedings of the Machine Reading, 2007

2006

Supporting online problem-solving communities with the semantic web.

Anupriya Ankolekar, Katia P. Sycara, James D. Herbsleb, Robert E. Kraut, Christopher A. Welty

Proceedings of the 15th international conference on World Wide Web, 2006

Towards Knowledge Acquisition from Information Extraction.

Christopher A. Welty, J. William Murdock

Proceedings of the Semantic Web - ISWC 2006, 5th International Semantic Web Conference, 2006

Explaining Conclusions from Diverse Knowledge Sources.

J. William Murdock, Deborah L. McGuinness, Paulo Pinheiro da Silva, Christopher A. Welty, David A. Ferrucci

Proceedings of the Semantic Web - ISWC 2006, 5th International Semantic Web Conference, 2006

A Model Driven Approach for Building OWL DL and OWL Full Ontologies.

Saartje Brockmans, Robert M. Colomb, Peter Haase, Elisa F. Kendall, Evan K. Wallace, Christopher A. Welty, Guo Tong Xie

Proceedings of the Semantic Web - ISWC 2006, 5th International Semantic Web Conference, 2006

A View of OWL From the Field: Use-cases and Experiences.

Aaron Kershenbaum, Achille Fokoue, Chintan Patel, Christopher A. Welty, Edith Schonberg, James J. Cimino, Li Ma, Kavitha Srinivas, Robert J. Schloss, J. William Murdock

Proceedings of the OWLED*06 Workshop on OWL: Experiences and Directions, 2006

Semantic Web: The Story of the RIFt so Far.

Christopher A. Welty

Proceedings of the Logic Programming, 22nd International Conference, 2006

A Reusable Ontology for Fluents in OWL.

Christopher A. Welty, Richard Fikes

Proceedings of the Formal Ontology in Information Systems, 2006

OntOWLClean: Cleaning OWL ontologies with OWL.

Christopher A. Welty

Proceedings of the Formal Ontology in Information Systems, 2006

The Object Management Group Ontology Definition Metamodel.

Robert M. Colomb, Kerry Raymond, Lewis Hart, Patrick Emery, Chris Welty, Guo Tong Xie, Elisa F. Kendall

Proceedings of the Ontologies for Software Engineering and Software Technology, 2006

2005

Towards OntoClean 2.0: A framework for rigidity.

Christopher A. Welty, William Andersen

Appl. Ontology, 2005

Encoding extraction as inferences.

J. William Murdock, Paulo Pinheiro da Silva, David A. Ferrucci, Christopher A. Welty, Deborah L. McGuinness

Proceedings of the 2005 AAAI Spring Symposium on Metacognition in Computation, 2005

2004

Evaluating Ontology Cleaning.

Christopher A. Welty, Ruchi Mahindru, Jennifer Chu-Carroll

Proceedings of the Nineteenth National Conference on Artificial Intelligence, 2004

An Overview of OntoClean.

Nicola Guarino, Christopher A. Welty

Proceedings of the Handbook on Ontologies, 2004

2003

Ontology Research.

Christopher A. Welty

AI Mag., 2003

IBM's PIQUANT in TREC2003.

John M. Prager, Jennifer Chu-Carroll, Krzysztof Czuba, Christopher A. Welty, Abraham Ittycheriah, Ruchi Mahindru

Proceedings of The Twelfth Text REtrieval Conference, 2003

Hybridization in Question Answering Systems.

Jennifer Chu-Carroll, David A. Ferrucci, John M. Prager, Christopher A. Welty

Proceedings of the New Directions in Question Answering, 2003

Software Engineering.

Christopher A. Welty

Proceedings of the Description Logic Handbook: Theory, Implementation, and Applications, 2003

Digital Libraries and Web-based Information Systems.

Ian Horrocks, Deborah L. McGuinness, Christopher A. Welty

Proceedings of the Description Logic Handbook: Theory, Implementation, and Applications, 2003

2002

Evaluating ontological decisions with OntoClean.

Nicola Guarino, Christopher A. Welty

Commun. ACM, 2002

AAAI 2002 Workshops.

M. Brian Blake, Karen Zita Haigh, Henry Hexmoor, Rino Falcone, Leen-Kiat Soh, Chitta Baral, Sheila A. McIlraith, Piotr J. Gmytrasiewicz, Simon Parsons, Rainer Malaka, Antonio Krüger, Paolo Bouquet, Bill Smart, Koichi Kurumantani, Adam Pease, Michael Brenner, Marie desJardins, Ulrich Junker, James P. Delgrande, Jon Doyle, Francesca Rossi, Torsten Schaub, Carla P. Gomes, Toby Walsh, Haipeng Guo, Eric Horvitz, Nancy Ide, Christopher A. Welty, Frank D. Anger, Hans W. Guesgen, Gérard Ligozat

AI Mag., 2002

A Multi-Strategy and Multi-Source Approach to Question Answering.

Jennifer Chu-Carroll, John M. Prager, Christopher A. Welty, Krzysztof Czuba, David A. Ferrucci

Proceedings of The Eleventh Text REtrieval Conference, 2002

Panel: Are Upper-Level Ontologies Worth the Effort?.

Christopher A. Welty

Proceedings of the Eights International Conference on Principles and Knowledge Representation and Reasoning (KR-02), 2002

Ontology-Driven Conceptual Modeling.

Christopher A. Welty

Proceedings of the Advanced Information Systems Engineering, 14th International Conference, 2002

2001

Real science.

Christopher A. Welty

Intell., 2001

Backtracking: the demise of "!".

Christopher A. Welty

Intell., 2001

Backtracking: the eternal flame.

Christopher A. Welty

Intell., 2001

Supporting ontological analysis of taxonomic relationships.

Christopher A. Welty, Nicola Guarino

Data Knowl. Eng., 2001

FOIS introduction: Ontology - towards a new synthesis.

Barry Smith, Christopher A. Welty

Proceedings of the 2nd International Conference on Formal Ontology in Information Systems, 2001

2000

Backtracking: robots that fly, part I.

Christopher A. Welty, Louis J. Hoebel

Intell., 2000

Backtracking: and the winner is....

Christopher A. Welty

Intell., 2000

Backtracking: robots that fly, part II.

Christopher A. Welty

Intell., 2000

Towards Ontology-Based Harmonization of Web Content Standards.

Nicola Guarino, Christopher A. Welty, Christopher Partridge

Proceedings of the Conceptual Modeling for E-Business and the Web, 2000

Ontological Analysis of Taxonomic Relationships.

Nicola Guarino, Christopher A. Welty

Proceedings of the Conceptual Modeling, 2000

A Formal Ontology of Properties.

Nicola Guarino, Christopher A. Welty

Proceedings of the Knowledge Acquisition, 2000

Identity, Unity, and Individuality: Towards a Formal Toolkit for Ontological Analysis.

Nicola Guarino, Christopher A. Welty

Proceedings of the ECAI 2000, 2000

Untangle: A New Ontology for Card Catalog Systems.

Christopher A. Welty, Jessica Jenkins

Proceedings of the Seventeenth National Conference on Artificial Intelligence and Twelfth Conference on on Innovative Applications of Artificial Intelligence, July 30, 2000

1999

Backtracking: still garbage collecting.

Christopher A. Welty, Louis J. Hoebel

Intell., 1999

Instances and classes in software engineering.

Christopher A. Welty, David A. Ferrucci

Intell., 1999

Backtracking: Garbage collection.

Louis J. Hoebel, Christopher A. Welty

Intell., 1999

Backtracking: the Chinese food problem.

Louis J. Hoebel, Christopher A. Welty

Intell., 1999

Using the Right Tools: Enhancing Retrieval from Marked-up Documents.

Christopher A. Welty, Nancy Ide

Comput. Humanit., 1999

Report on the 1998 International Workshop on Description Logics (DL'98).

Enrico Franconi, Giuseppe De Giacomo, Ian Horrocks, Deborah L. McGuinness, Werner Nutt, Peter F. Patel-Schneider, Christopher A. Welty

J. Log. Comput., 1999

Formal Ontology for Subject.

Christopher A. Welty, Jessica Jenkins

Data Knowl. Eng., 1999

Guest Editorial.

Christopher A. Welty, Michael R. Lowry, Yves Ledru

Autom. Softw. Eng., 1999

A Formal Ontology for Re-Use of Software Architecture Documents.

Christopher A. Welty, David A. Ferrucci

Proceedings of the 14th IEEE International Conference on Automated Software Engineering, 1999

1998

A report on the 13th IEEE international conference on automated software engineering in Honolulu.

Christopher A. Welty

SIGART Bull., 1998

A description logic-based configurator on the web.

Deborah L. McGuinness, Charles L. Isbell Jr., Matt Parker, Peter F. Patel-Schneider, Lori Alperin Resnick, Christopher A. Welty

SIGART Bull., 1998

Desert Island Column.

Christopher A. Welty

Autom. Softw. Eng., 1998

Editorial.

Christopher A. Welty

Autom. Softw. Eng., 1998

Teaching Bottom-up AI from the Top Down.

Christopher A. Welty, Kenneth Livingston, Calder Martin, Julie Hamilton, Christopher Rugger

Proceedings of the Eleventh International Florida Artificial Intelligence Research Society Conference, 1998

DLs for DLs: Description Logics for Digital Libraries.

Christopher A. Welty

Proceedings of the 1998 International Workshop on Description Logics (DL'98), IRST, Povo, 1998

1997

Backtracking.

Christopher A. Welty, Louis J. Hoebel

SIGART Bull., 1997

Artificial Intelligence and Software Engineering: Breaking the Toy Mold.

Christopher A. Welty, Peter G. Selfridge

Autom. Softw. Eng., 1997

Augmenting Abstract Syntax Trees for Program Understanding.

Christopher A. Welty

Proceedings of the 1997 International Conference on Automated Software Engineering, 1997

1996

An HTML Interface for Classic.

Christopher A. Welty

Proceedings of the 1996 International Workshop on Description Logics, 1996

1995

Towards an Epistemology for Software Representations.

Christopher A. Welty

Proceedings of the Proceedings KBSE'95, 1995

1994

The Eighth Annual Knowledge-Based Software Engineering Conference.

Chris Welty

Autom. Softw. Eng., 1994

Navigating through the Frame Problem: Review of Reasoning Agents in a Dynamic World.

Selmer Bringsjord, Christopher A. Welty

AI Mag., 1994