Joel Mackenzie

Examining the Additivity of Top-k Query Processing Innovations

J MacKenzie, A Moffat

Conference Proceedings  |  2020  |  Proceedings of the 29th ACM International Conference on Information & Knowledge Management

Research activity spanning more than five decades has led to index organizations, compression schemes, and traversal algorithms th..

CC-News-En: A Large English News Corpus

Joel Mackenzie, Rodger Benham, Matthias Petri, Johanne R Trippas, J Shane Culpepper, Alistair Moffat

Conference Proceedings  |  2020  |  Proceedings of the 29th ACM International Conference on Information & Knowledge Management

We describe a static, open-access news corpus using data from the Common Crawl Foundation, who provide free, publicly available we..

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

Jimmy Lin, Joel Mackenzie, Chris Kamphuis, Craig Macdonald, Antonio Mallia, Michał Siedlaczek, Andrew Trotman, Arjen de Vries

Conference Proceedings  |  2020  |  Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval

There exists a natural tension between encouraging a diverse ecosystem of open-source search engines and supporting fair, replicab..

Efficiency Implications of Term Weighting for Passage Retrieval

Joel Mackenzie, Zhuyun Dai, Luke Gallagher, Jamie Callan

Conference Proceedings  |  2020  |  Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval

Language model pre-training has spurred a great deal of attention for tasks involving natural language understanding, and has been..

Boosting search performance using query variations

R Benham, Joel Mackenzie, A Moffat, JS Culpepper

Journal article  |  2019  |  ACM Transactions on Information Systems

Rank fusion is a powerful technique that allows multiple sources of information to be combined into a single result set. Query var..

Accelerated query processing via similarity score prediction

M Petri, A Moffat, J Mackenzie, J Shane Culpepper, D Beck

Conference Proceedings  |  2019  |  Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval

Publication rights licensed to ACM. Processing top-k bag-of-words queries is critical to many information retrieval applications, ..

Compressing inverted indexes with recursive graph bisection: A reproducibility study

J Mackenzie, A Mallia, M Petri, JS Culpepper, T Suel

Conference Proceedings  |  2019  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

© Springer Nature Switzerland AG 2019. Document reordering is an important but often overlooked preprocessing stage in index const..

PISA: Performant Indexes and Search for Academia

A Mallia, M Siedlaczek, J Mackenzie, T Suel

Conference Proceedings  |  2019  |  CEUR Workshop Proceedings

Performant Indexes and Search for Academia (PISA) is an experimental search engine that focuses on efficient implementations of st..

Exploring User Behavior in Email Re-Finding Tasks

Joel Mackenzie, Kshitiz Gupta, Fang Qiao, Ahmed Hassan Awadallah, Milad Shokouhi

Conference Proceedings  |  2019  |  The World Wide Web Conference on - WWW '19

Towards efficient and effective query variant generation

R Benham, JS Culpepper, L Gallagher, X Lu, J Mackenzie

Conference Proceedings  |  2018  |  Proc. Conf. on Design of Experimental Search & Information Retrieval Systems (DESIRES)