Parsing And Derivational Equivalence. - Mark Hepple; Glyn Morrill (EACL, 1989)

Normal Form Theorem Proving for the Lambek Calculus. - Mark Hepple (COLING, 1990)

Efficient Incremental Processing with Categorial Grammar. - Mark Hepple (ACL, 1991)

Proof Figures And Structural Operators For Categorial Grammar. - Guy Barry; Mark Hepple; Neil Leslie; Glyn Morrill (EACL, 1991)

Chart Parsing Lambek Grammars: Modal Extensions And Incrementality. - Mark Hepple (COLING, 1992)

A feature-based formalism for two-level phonology: a description and implementation. - Stephen G. Pulman; Mark Hepple (Comput. Speech Lang., 1993)

Discontinuity And The Lambek Calculus. - Mark Hepple (COLING, 1994)

Mixing Modes of Linguistic Description in Categorial Grammar. - Mark Hepple (EACL, 1995)

Hybrid Categorial Logics. - Mark Hepple (Log. J. IGPL, 1995)

A Compilation-Chart Method for Linear Categorial Deduction. - Mark Hepple (COLING, 1996)

Maximal Incrementality in Linear Categorial Deduction. - Mark Hepple (ACL, 1997)

Memoisation for Glue Language Deduction and Categorial Parsing. - Mark Hepple (COLING-ACL, 1998)

Compacting the Penn Treebank Grammar. - Alexander Krotov; Mark Hepple; Robert J. Gaizauskas; Yorick Wilks (COLING-ACL, 1998)

A scheme for comparative evaluation of diverse parsing systems. - Robert J. Gaizauskas; Mark Hepple; Christian R. Huyck (LREC, 1998)

On some similarities between D-tree grammars and type-logical grammars. - Mark Hepple (TAG+, 1998)

Linear Categorial Deduction via First-order Compilation. - Mark Hepple (TAPD, 1998)

An Earley-style Predictive Chart Parsing Method for Lambek Grammars. - Mark Hepple (ACL, 1999)

University of Sheffield TREC-8 Q&A System. - Kevin Humphreys; Robert J. Gaizauskas; Mark Hepple; Mark Sanderson (TREC, 1999)

Evaluating two methods for Treebank grammar compaction. - Alexander Krotov; Mark Hepple; Robert J. Gaizauskas; Yorick Wilks (Nat. Lang. Eng., 1999)

Independence and Commitment: Assumptions for Rapid Training and Execution of Rule-based POS Taggers. - Mark Hepple (ACL, 2000)

Human dialogue modelling using machine learning. - Yorick Wilks; Nick Webb; Andrea Setzer; Mark Hepple; Roberta Catizone (RANLP, 2003)

The University of Sheffield's TREC 2003 Q&A Experiments. - Robert J. Gaizauskas; Mark A. Greenwood; Mark Hepple; Ian Roberts; Horacio Saggion; Matthew Sargaison (TREC, 2003)

A Large-Scale Resource for Storing and Recognizing Technical Terminology. - Henk Harkema; Robert J. Gaizauskas; Mark Hepple; Neil Davis; Yikun Guo; Angus Roberts; Ian Roberts (LREC, 2004)

NLP-enhanced Content Filtering Within the POESIA Project. - Mark Hepple; Neil Ireson; Paolo Allegrini; Simone Marchi; Simonetta Montemagni; José María Gómez Hidalgo (LREC, 2004)

Human Dialogue Modelling Using Annotated Corpora. - Yorick Wilks; Nick Webb; Andrea Setzer; Mark Hepple; Roberta Catizone (LREC, 2004)

The University of Sheffield's TREC 2004 QA Experiments. - Robert J. Gaizauskas; Mark A. Greenwood; Mark Hepple; Ian Roberts; Horacio Saggion (TREC, 2004)

Information retrieval for question answering a SIGIR 2004 workshop. - Robert J. Gaizauskas; Mark Hepple; Mark A. Greenwood (SIGIR Forum, 2004)

Using Semantic Inferences for Temporal Annotation Comparison. - Andrea Setzer; Robert J. Gaizauskas; Mark Hepple (The Language of Time - A Reader, 2005)

SUPPLE: A Practical Parser for Natural Language Engineering Applications. - Robert J. Gaizauskas; Mark Hepple; Horacio Saggion; Mark A. Greenwood; Kevin Humphreys (IWPT, 2005)

The University of Sheffield's TREC 2005 Q&A Experiments. - Robert J. Gaizauskas; Mark A. Greenwood; Henk Harkema; Mark Hepple; Horacio Saggion; Atheesh Sanka (TREC, 2005)

Error Analysis of Dialogue Act Classification. - Nick Webb; Mark Hepple; Yorick Wilks (TSD, 2005)

The Role of Inference in the Temporal Annotation and Analysis of Text. - Andrea Setzer; Robert J. Gaizauskas; Mark Hepple (Lang. Resour. Evaluation, 2005)

Task-Oriented Extraction of Temporal Information: The Case of Clinical Narratives. - Robert J. Gaizauskas; Henk Harkema; Mark Hepple; Andrea Setzer (TIME, 2006)

The CLEF Corpus: Semantic Annotation of Clinical Text. - Angus Roberts; Robert J. Gaizauskas; Mark Hepple; Neil Davis; George Demetriou; Yikun Guo; Jay (Subbarao) Kola; Ian Roberts; Andrea Setzer; Archana Tapuria; Bill Wheeldin (AMIA, 2007)

USFD: Preliminary Exploration of Features and Classifiers for the TempEval-2007 Task. - Mark Hepple; Andrea Setzer; Robert J. Gaizauskas (SemEval@ACL, 2007)

SemEval-2007 Task 15: TempEval Temporal Relation Identification. - Marc Verhagen; Robert J. Gaizauskas; Frank Schilder; Mark Hepple; Graham Katz; James Pustejovsky (SemEval@ACL, 2007)

Extracting Clinical Relationships from Patient Narratives. - Angus Roberts; Robert J. Gaizauskas; Mark Hepple (BioNLP, 2008)

Combining Terminology Resources and Statistical Methods for Entity Recognition: an Evaluation. - Angus Roberts; Robert J. Gaizauskas; Mark Hepple; Yikun Guo (LREC, 2008)

Cross-Domain Dialogue Act Tagging. - Nick Webb; Ting Liu 003; Mark Hepple; Yorick Wilks (LREC, 2008)

Mining clinical relationships from patient narratives. - Angus Roberts; Robert J. Gaizauskas; Mark Hepple; Yikun Guo (BMC Bioinform., 2008)

Building a semantically annotated corpus of clinical texts. - Angus Roberts; Robert J. Gaizauskas; Mark Hepple; George Demetriou; Yikun Guo; Ian Roberts; Andrea Setzer (J. Biomed. Informatics, 2009)

The TempEval challenge: identifying temporal relations in text. - Marc Verhagen; Robert J. Gaizauskas; Frank Schilder; Mark Hepple; Jessica Moszkowicz; James Pustejovsky (Lang. Resour. Evaluation, 2009)

Storing the Web in Memory: Space Efficient Language Models with Constant Time Retrieval. - David Guthrie; Mark Hepple (EMNLP, 2010)

Efficient Minimal Perfect Hash Language Models. - David Guthrie; Mark Hepple; Wei Liu 034 (LREC, 2010)

Evaluating Lexical Substitution: Analysis and New Measures. - Sanaz Jabbari; Mark Hepple; Louise Guthrie (LREC, 2010)

Evaluation Metrics for the Lexical Substitution Task. - Sanaz Jabbari; Mark Hepple; Louise Guthrie (HLT-NAACL, 2010)

Reliably Evaluating Summaries of Twitter Timelines. - Dominic Paul Rout; Kalina Bontcheva; Mark Hepple (AAAI Spring Symposium: Analyzing Microtext, 2013)

Part-of-speech Tagset and Corpus Development for Igbo, an African Language. - Ikechukwu E. Onyenwe; Chinedu Uchechukwu; Mark Hepple (LAW@COLING, 2014)

Comment-to-Article Linking in the Online News Domain. - Ahmet Aker; Emina Kurtic; Mark Hepple; Robert J. Gaizauskas; Giuseppe Di Fabbrizio (SIGDIAL Conference, 2015)

A Graph-Based Approach to Topic Clustering for Online Comments to News. - Ahmet Aker; Emina Kurtic; A. R. Balamurali; Monica Lestari Paramita; Emma Barker; Mark Hepple; Robert J. Gaizauskas (ECIR, 2016)

Automatic label generation for news comment clusters. - Ahmet Aker; Monica Lestari Paramita; Emina Kurtic; Adam Funk; Emma Barker; Mark Hepple; Robert J. Gaizauskas (INLG, 2016)

What's the Issue Here?: Task-based Evaluation of Reader Comment Summarization Systems. - Emma Barker; Monica Lestari Paramita; Adam Funk; Emina Kurtic; Ahmet Aker; Jonathan Foster; Mark Hepple; Robert J. Gaizauskas (LREC, 2016)

Studying the Temporal Dynamics of Word Co-occurrences: An Application to Event Detection. - Daniel Preotiuc-Pietro; P. K. Srijith; Mark Hepple; Trevor Cohn (LREC, 2016)

The SENSEI Annotated Corpus: Human Summaries of Reader Comment Conversations in On-line News. - Emma Barker; Monica Lestari Paramita; Ahmet Aker; Emina Kurtic; Mark Hepple; Robert J. Gaizauskas (SIGDIAL Conference, 2016)

Automatic Restoration of Diacritics for Igbo Language. - Ignatius Ezeani; Mark Hepple; Ikechukwu E. Onyenwe (TSD, 2016)

Predicting Morphologically-Complex Unknown Words in Igbo. - Ikechukwu E. Onyenwe; Mark Hepple (TSD, 2016)

The SENSEI Overview of Newspaper Readers' Comments. - Adam Funk; Ahmet Aker; Emma Barker; Monica Lestari Paramita; Mark Hepple; Robert J. Gaizauskas (ECIR, 2017)

Sub-story detection in Twitter with hierarchical Dirichlet processes. - P. K. Srijith; Mark Hepple; Kalina Bontcheva; Daniel Preotiuc-Pietro (Inf. Process. Manag., 2017)

Igbo Diacritic Restoration using Embedding Models. - Ignatius Ezeani; Mark Hepple; Ikechukwu E. Onyenwe; Enemouh Chioma (NAACL-HLT (Student Research Workshop), 2018)

Transferred Embeddings for Igbo Similarity, Analogy, and Diacritic Restoration Tasks. - Ignatius Ezeani; Ikechukwu E. Onyenwe; Mark Hepple (SemDeep@COLING, 2018)

Multi-task Projected Embedding for Igbo. - Ignatius Ezeani; Mark Hepple; Ikechukwu E. Onyenwe; Chioma Enemuo (TSD, 2018)

A Basic Language Resource Kit Implementation for the IgboNLP Project. - Ikechukwu E. Onyenwe; Mark Hepple; Chinedu Uchechukwu; Ignatius Ezeani (ACM Trans. Asian Low Resour. Lang. Inf. Process., 2018)

Toward an Effective Igbo Part-of-Speech Tagger. - Ikechukwu E. Onyenwe; Mark Hepple; Chinedu Uchechukwu; Ignatius Ezeani (ACM Trans. Asian Low Resour. Lang. Inf. Process., 2019)

Igbo-English Machine Translation: An Evaluation Benchmark. - Ignatius Ezeani; Paul Rayson; Ikechukwu E. Onyenwe; Chinedu Uchechukwu; Mark Hepple (AfricaNLP, 2020)

Limitations of Religious Data and the Importance of the Target Domain: Towards Machine Translation for Guinea-Bissau Creole. - Jacqueline Rowe; Edward Gow-Smith; Mark Hepple (CoRR, 2025)