Matthias Petri

2025

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A Flexible Resource for Top-Weighted Comparisons Between Sets and Rankings.
Alistair Moffat|Joel Mackenzie|Antonio Mallia|Matthias Petri
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

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Improved Learned Sparse Retrieval with Corpus-Specific Vocabularies.
Puxuan Yu|Antonio Mallia|Matthias Petri
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part III

2022

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Efficient query processing techniques for next-page retrieval.
Joel Mackenzie|Matthias Petri|Alistair Moffat
Discover Computing 2022 Volume 25 Issue 1
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Anytime Ranking on Document-Ordered Indexes.
Joel Mackenzie|Matthias Petri|Alistair Moffat
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 1
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IOQP: A simple Impact-Ordered Query Processor written in Rust.
Joel Mackenzie|Matthias Petri|Luke Gallagher
Proceedings of the Third International Conference on Design of Experimental Search & Information REtrieval Systems, San Jose, CA, USA, August 30-31, 2022.

2021

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Faster Index Reordering with Bipartite Graph Partitioning.
Joel Mackenzie|Matthias Petri|Alistair Moffat
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

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Large-Alphabet Semi-Static Entropy Coding Via Asymmetric Numeral Systems.
Alistair Moffat|Matthias Petri
ACM Transactions on Information Systems (TOIS) 2020 Volume 38 Issue 4
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CC-News-En: A Large English News Corpus.
Joel M. Mackenzie|Rodger Benham|Matthias Petri|Johanne R. Trippas|J. Shane Culpepper|Alistair Moffat
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2019

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Compressing Inverted Indexes with Recursive Graph Bisection: A Reproducibility Study.
Joel M. Mackenzie|Antonio Mallia|Matthias Petri|J. Shane Culpepper|Torsten Suel
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I
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Accelerated Query Processing Via Similarity Score Prediction.
Matthias Petri|Alistair Moffat|Joel M. Mackenzie|J. Shane Culpepper|Daniel Beck
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
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Fast Dictionary-Based Compression for Inverted Indexes.
Giulio Ermanno Pibiri|Matthias Petri|Alistair Moffat
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

2018

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Index Compression Using Byte-Aligned ANS Coding and Two-Dimensional Contexts.
Alistair Moffat|Matthias Petri
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

2017

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ANS-Based Index Compression.
Alistair Moffat|Matthias Petri
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
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A Cost Model for Long-Term Compressed Data Retention.
Kewen Liao|Alistair Moffat|Matthias Petri|Anthony Wirth
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2016

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Effective Construction of Relative Lempel-Ziv Dictionaries.
Kewen Liao|Matthias Petri|Alistair Moffat|Anthony Wirth
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11 - 15, 2016

2015

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Access Time Tradeoffs in Archive Compression.
Matthias Petri|Alistair Moffat|P. C. Nagesh|Anthony Wirth
Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings
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On Identifying Phrases Using Collection Statistics.
Simon Gog|Alistair Moffat|Matthias Petri
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings
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On the Cost of Phrase-Based Ranking.
Matthias Petri|Alistair Moffat
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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Graph Representations and Applications of Citation Networks.
Matthias Petri|Alistair Moffat|Anthony Wirth
Proceedings of the 2014 Australasian Document Computing Symposium, ADCS 2014, Melbourne, VIC, Australia, November 27-28, 2014
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Score-safe term-dependency processing with hybrid indexes.
Matthias Petri|Alistair Moffat|J. Shane Culpepper
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014
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Strategic Pattern Search in Factor-Compressed Text.
Simon Gog|Alistair Moffat|Matthias Petri
String Processing and Information Retrieval - 21st International Symposium, SPIRE 2014, Ouro Preto, Brazil, October 20-22, 2014. Proceedings

2013

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Exploring the magic of WAND.
Matthias Petri|J. Shane Culpepper|Alistair Moffat
The Australasian Document Computing Symposium, ADCS '13, Brisbane, QLD, Australia, December 5-6, 2013

2012

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Efficient indexing algorithms for approximate pattern matching in text.
Matthias Petri|J. Shane Culpepper
The Seventeenth Australasian Document Computing Symposium, ADCS '12, Dunedin, New Zealand, December 5-6, 2012
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Efficient in-memory top-k document retrieval.
J. Shane Culpepper|Matthias Petri|Falk Scholer
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

2011

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RMIT and Gunma University at NTCIR-9 GeoTime Task.
Michiko Yasukawa|J. Shane Culpepper|Falk Scholer|Matthias Petri
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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RMIT and Gunma University at NTCIR-9 Intent Task.
Michiko Yasukawa|J. Shane Culpepper|Falk Scholer|Matthias Petri
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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RMIT at TREC 2011 Microblog Track.
Matthias Petri|J. Shane Culpepper|Falk Scholer
Proceedings of The Twentieth Text REtrieval Conference, TREC 2011, Gaithersburg, Maryland, USA, November 15-18, 2011
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RMIT at the Crowdsourcing Track of TREC 2011.
Matthias Petri|Mark Sanderson|Falk Scholer
Proceedings of The Twentieth Text REtrieval Conference, TREC 2011, Gaithersburg, Maryland, USA, November 15-18, 2011