Andrew Trotman

2025

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Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) 2025

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SIGIR 2025 Workshop on eCommerce (ECOM25): From Research to Product: Challenges, Lessons, and Opportunities in eCommerce Search and Recommendations.

Yubin Kim|Tracy Holloway King|Aditya Chichani|Pallavi Gudipati|Andrew Trotman

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2023

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Efficient Document-at-a-time and Score-at-a-time Query Evaluation for Learned Sparse Representations.

Joel Mackenzie|Andrew Trotman|Jimmy Lin

ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4

2022

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Quality metrics for search engine deterministic sort orders.

Andrew Trotman|Vaughan Kitchen

Information Processing and Management 2022 Volume 59 Issue 6

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A Common Framework for Exploring Document-at-a-Time and Score-at-a-Time Retrieval Methods.

Andrew Trotman|Joel Mackenzie|Pradeesh Parameswaran|Jimmy Lin

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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Detecting the target of sarcasm is hard: Really??

Pradeesh Parameswaran|Andrew Trotman|Veronica Liesaputra|David M. Eyers

Information Processing and Management 2021 Volume 58 Issue 4

2020

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Introduction to special issue on eCommerce search and recommendation.

Andrew Trotman|Surya Kallumadi|Jon Degenhardt

Discover Computing 2020 Volume 23 Issue 2

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Supporting Interoperability Between Open-Source Search Engines with the Common Index File Format.

Jimmy Lin|Joel M. Mackenzie|Chris Kamphuis|Craig Macdonald|Antonio Mallia|Michal Siedlaczek|Andrew Trotman|Arjen P. de Vries

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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JASSjr: The Minimalistic BM25 Search Engine for Teaching and Learning Information Retrieval.

Andrew Trotman|Kat Lilly

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

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Report on the SIGIR 2019 Workshop on eCommerce (ECOM19).

Jon Degenhardt|Surya Kallumadi|Utkarsh Porwal|Andrew Trotman

SIGIR Forum 2019 Volume 53 Issue 2

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A Dataset and Baselines for e-Commerce Product Categorization.

Yiu-Chang Lin|Pradipto Das|Andrew Trotman|Surya Kallumadi

Proceedings of the 2019 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2019, Santa Clara, CA, USA, October 2-5, 2019.

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ECOM'19: The SIGIR 2019 Workshop on eCommerce.

Jon Degenhardt|Surya Kallumadi|Utkarsh Porwal|Andrew Trotman

Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

2018

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Further Insights on Drawing Sound Conclusions from Noisy Judgments.

David Goldberg|Andrew Trotman|Xiao Wang|Wei Min|Zongru Wan

ACM Transactions on Information Systems (TOIS) 2018 Volume 36 Issue 4

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Refining Query Expansion Terms using Query Context.

Reuben Crimp|Andrew Trotman

Proceedings of the 23rd Australasian Document Computing Symposium, ADCS 2018, Dunedin, New Zealand, December 11-12, 2018

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Elias Revisited: Group Elias SIMD Coding.

Andrew Trotman|Kat Lilly

Proceedings of the 23rd Australasian Document Computing Symposium, ADCS 2018, Dunedin, New Zealand, December 11-12, 2018

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SIGIR 2018 Workshop on eCommerce (ECOM18).

Jon Degenhardt|Pino Di Fabbrizio|Surya Kallumadi|Mohit Kumar|Yiu-Chang Lin|Andrew Trotman|Huasha Zhao

The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

2017

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Efficiency in information retrieval: introduction to special issue.

David Hawking|Alistair Moffat|Andrew Trotman

Discover Computing 2017 Volume 20 Issue 3

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The role of index compression in score-at-a-time query evaluation.

Jimmy Lin|Andrew Trotman

Discover Computing 2017 Volume 20 Issue 3

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Report on the SIGIR 2017 Workshop on eCommerce (ECOM17).

Jon Degenhardt|Surya Kallumadi|Yiu-Chang Lin|Maarten de Rijke|Luo Si|Andrew Trotman|Sindhuja Venkatesh|Yinghui Xu

SIGIR Forum 2017 Volume 51 Issue 3

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Automatic Term Reweighting for Query Expansion.

Reuben Crimp|Andrew Trotman

Proceedings of the 22nd Australasian Document Computing Symposium, ADCS 2017, Brisbane, QLD, Australia, December 7-8, 2017

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An Initial Study of Anchor Selection in Patent Link Discovery.

Dilesha Seneviratne|Shlomo Geva|Guido Zuccon|Andrew Trotman

Proceedings of the 22nd Australasian Document Computing Symposium, ADCS 2017, Brisbane, QLD, Australia, December 7-8, 2017

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SIGIR 2017 Workshop on eCommerce (ECOM17).

Jon Degenhardt|Surya Kallumadi|Maarten de Rijke|Luo Si|Andrew Trotman|Yinghui Xu

Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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A Comparison of Document-at-a-Time and Score-at-a-Time Query Evaluation.

Matt Crane|J. Shane Culpepper|Jimmy Lin|Joel M. Mackenzie|Andrew Trotman

Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

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Drawing Sound Conclusions from Noisy Judgments.

David Goldberg|Andrew Trotman|Xiao Wang|Wei Min|Zongru Wan

Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2016

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In Vacuo and In Situ Evaluation of SIMD Codecs.

Andrew Trotman|Jimmy Lin

Proceedings of the 21st Australasian Document Computing Symposium, ADCS 2016, Caulfield, VIC, Australia, December 5-7, 2016

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Toward Reproducible Baselines: The Open-Source IR Reproducibility Challenge.

Jimmy Lin|Matt Crane|Andrew Trotman|Jamie Callan|Ishan Chattopadhyaya|John Foley|Grant Ingersoll|Craig MacDonald|Sebastiano Vigna

Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

2015

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Report on the SIGIR 2015 Workshop on Reproducibility, Inexplicability, and Generalizability of Results (RIGOR).

Jaime Arguello|Matt Crane|Fernando Diaz|Jimmy Lin|Andrew Trotman

SIGIR Forum 2015 Volume 49 Issue 2

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Collision Resolution in Hash Tables for Vocabulary Accumulation During Parallel Indexing.

Matt Crane|Andrew Trotman

Proceedings of the 20th Australasian Document Computing Symposium, ADCS 2015, Parramatta, NSW, Australia, December 8-9, 2015

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Improving Throughput of a Pipeline Model Indexer.

Matt Crane|Andrew Trotman|David M. Eyers

Proceedings of the 20th Australasian Document Computing Symposium, ADCS 2015, Parramatta, NSW, Australia, December 8-9, 2015

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Anytime Ranking for Impact-Ordered Indexes.

Jimmy Lin|Andrew Trotman

Proceedings of the 2015 International Conference on The Theory of Information Retrieval, ICTIR 2015, Northampton, Massachusetts, USA, September 27-30, 2015

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Optimal Packing in Simple-Family Codecs.

Andrew Trotman|Michael H. Albert|Blake Burgess

Proceedings of the 2015 International Conference on The Theory of Information Retrieval, ICTIR 2015, Northampton, Massachusetts, USA, September 27-30, 2015

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SIGIR 2015 Workshop on Reproducibility, Inexplicability, and Generalizability of Results (RIGOR).

Jaime Arguello|Fernando Diaz|Jimmy Lin|Andrew Trotman

Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

2014

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The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) 2014

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An evaluation framework for cross-lingual link discovery.

Ling-Xiang Tang|Shlomo Geva|Andrew Trotman|Yue Xu|Kelly Y. Itakura

Information Processing and Management 2014 Volume 50 Issue 1

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Compression, SIMD, and Postings Lists.

Andrew Trotman

Proceedings of the 2014 Australasian Document Computing Symposium, ADCS 2014, Melbourne, VIC, Australia, November 27-28, 2014

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Improvements to BM25 and Language Models Examined.

Andrew Trotman|Antti Puurula|Blake Burgess

Proceedings of the 2014 Australasian Document Computing Symposium, ADCS 2014, Melbourne, VIC, Australia, November 27-28, 2014

2013

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The seventeenth australasian document computing symposium.

Andrew Trotman|Sally Jo Cunningham|Laurianne Sitbon

SIGIR Forum 2013 Volume 47 Issue 1

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Malformed UTF-8 and spam.

Matt Crane|Andrew Trotman|Richard A. O'Keefe

The Australasian Document Computing Symposium, ADCS '13, Brisbane, QLD, Australia, December 5-6, 2013

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Managing short postings lists.

Andrew Trotman|Xiangfei Jia|Matt Crane

The Australasian Document Computing Symposium, ADCS '13, Brisbane, QLD, Australia, December 5-6, 2013

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Maintaining discriminatory power in quantized indexes.

Matt Crane|Andrew Trotman|Richard A. O'Keefe

22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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Overview of the INEX 2013 Snippet Retrieval Track.

Matthew Trappett|Shlomo Geva|Andrew Trotman|Falk Scholer|Mark Sanderson

Working Notes for CLEF 2013 Conference , Valencia, Spain, September 23-26, 2013.

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Overview of the NTCIR-10 Cross-Lingual Link Discovery Task.

Ling-Xiang Tang|In-Su Kang|Fuminori Kimura|Yi-Hsun Lee|Andrew Trotman|Shlomo Geva|Yue Xu

Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

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NTCIR-10 CrossLink-2 Task: A Link Mining Strategy.

Ling-Xiang Tang|Andrew Trotman|Shlomo Geva|Yue Xu

Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

2012

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The Seventeenth Australasian Document Computing Symposium, ADCS '12, Dunedin, New Zealand, December 5-6, 2012

Australasian Document Computing Symposium (ADCS) 2012

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Open source information petrieval: a report on the SIGIR 2012 workshop.

Andrew Trotman|Charles L. A. Clarke|Iadh Ounis|J. Shane Culpepper|Marc-Allen Cartright|Shlomo Geva

SIGIR Forum 2012 Volume 46 Issue 2

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Effects of spam removal on search engine efficiency and effectiveness.

Matt Crane|Andrew Trotman

The Seventeenth Australasian Document Computing Symposium, ADCS '12, Dunedin, New Zealand, December 5-6, 2012

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A study in language identification.

Rachel Mary Milne|Richard A. O'Keefe|Andrew Trotman

The Seventeenth Australasian Document Computing Symposium, ADCS '12, Dunedin, New Zealand, December 5-6, 2012

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An English-translated parallel corpus for the CJK Wikipedia collections.

Ling-Xiang Tang|Shlomo Geva|Andrew Trotman

The Seventeenth Australasian Document Computing Symposium, ADCS '12, Dunedin, New Zealand, December 5-6, 2012

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Cross-Lingual Knowledge Discovery: Chinese-to-English Article Linking in Wikipedia.

Ling-Xiang Tang|Andrew Trotman|Shlomo Geva|Yue Xu

Information Retrieval Technology, 8th Asia Information Retrieval Societies Conference, AIRS 2012, Tianjin, China, December 17-19, 2012. Proceedings

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Overview of the INEX 2012 Snippet Retrieval Track.

Matthew Trappett|Shlomo Geva|Andrew Trotman|Falk Scholer|Mark Sanderson

CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012

2011

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Topical and Structural Linkage in Wikipedia.

Kelly Y. Itakura|Charles L. A. Clarke|Shlomo Geva|Andrew Trotman|Wei Chi Huang

Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

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Automated Cross-lingual Link Discovery in Wikipedia.

Ling-Xiang Tang|Daniel Cavanagh|Andrew Trotman|Shlomo Geva|Yue Xu|Laurianne Sitbon

Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

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Overview of the NTCIR-9 Crosslink Task: Cross-lingual Link Discovery.

Ling-Xiang Tang|Shlomo Geva|Andrew Trotman|Yue Xu|Kelly Y. Itakura

Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

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Ad hoc IR: not much room for improvement.

Andrew Trotman|David Keeler

Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

2010

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Current research in focused retrieval and result aggregation.

Andrew Trotman|Shlomo Geva|Jaap Kamps|Mounia Lalmas|Vanessa Murdock

Discover Computing 2010 Volume 13 Issue 5

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Wikipedia and Web document based Query Translation and Expansion for Cross-language IR.

Ling-Xiang Tang|Andrew Trotman|Shlomo Geva|Yue Xu

Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 2010

2009

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Report on the SIGIR 2009 workshop on the future of IR evaluation.

Jaap Kamps|Shlomo Geva|Carol Peters|Tetsuya Sakai|Andrew Trotman|Ellen M. Voorhees

SIGIR Forum 2009 Volume 43 Issue 2

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The importance of manual assessment in link discovery.

Darren Wei Che Huang|Andrew Trotman|Shlomo Geva

Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Visualizing the problems with the INEX topics.

Andrew Trotman|Maria del Rocio Gomez Crisostomo|Mounia Lalmas

Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

2008

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Sound and complete relevance assessment for XML retrieval.

Benjamin Piwowarski|Andrew Trotman|Mounia Lalmas

ACM Transactions on Information Systems (TOIS) 2008 Volume 27 Issue 1

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Report on the SIGIR 2008 workshop on focused retrieval.

Jaap Kamps|Shlomo Geva|Andrew Trotman

SIGIR Forum 2008 Volume 42 Issue 2

2007

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The use case track at INEX 2006.

Nils Pharo|Andrew Trotman

SIGIR Forum 2007 Volume 41 Issue 1

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Report on the SIGIR 2007 workshop on focused retrieval.

Andrew Trotman|Shlomo Geva|Jaap Kamps

SIGIR Forum 2007 Volume 41 Issue 2

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Sigma encoded inverted files.

Andrew Trotman|Vikram Subramanya

Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

2006

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Report on the SIGIR 2006 workshop on XML element retrieval methodology.

Andrew Trotman|Shlomo Geva

SIGIR Forum 2006 Volume 40 Issue 2

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Strict and vague interpretation of XML-retrieval queries.

Andrew Trotman|Mounia Lalmas

SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

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Why structural hints in queries do not help XML-retrieval.

Andrew Trotman|Mounia Lalmas

SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

2005

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Report on the INEX 2005 workshop on element retrieval methodology.

Andrew Trotman|Mounia Lalmas

SIGIR Forum 2005 Volume 39 Issue 2

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Choosing document structure weights.

Andrew Trotman

Information Processing and Management 2005 Volume 41 Issue 2

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Learning to Rank.

Andrew Trotman

Discover Computing 2005 Volume 8 Issue 3

2004

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Searching structured documents.

Andrew Trotman

Information Processing and Management 2004 Volume 40 Issue 4

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Optimal Structure Weighted Retrieval.

Andrew Trotman

ADCS 2004, Proceedings of the Ninth Australasian Document Computing Symposium, Melbourne, Australia, December 13, 2004

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An artificial intelligence approach to information retrieval (abstract only).

Andrew Trotman

SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

2003

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Compressing Inverted Files.

Andrew Trotman

Discover Computing 2003 Volume 6 Issue 1