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Prof

Alistair Moffat

Professor
Computing and Information Systems
querying
information retrieval
text compression
efficient
web search
effective
indexing
coding
compression
Alistair Moffat's Profile Picture
Prof

Alistair Moffat

 
Division
Engineering and IT
 
Primary Interest
Information retrieval and web search
Alistair Moffat's Profile Picture
Prof

Alistair Moffat

 
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Alistair's  Short Profile
 

Projects

Displaying the 10 most recent projects from 13 for Alistair Moffat.

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EFFICIENT COMPRESSION AND QUERYING TECHNIQUES FOR MASSIVE TEXT COLLECTIONS

2020 - 2022
Active
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NEW APPROACHES TO INTERACTIVE SESSIONAL SEARCH FOR COMPLEX TASKS

2019 - 2022
Active
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Improved Compression for Text Indexes

2020 - 2020
Completed
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USER-ADAPTIVE SEARCH AND EVALUATION FOR COMPLEX INFORMATION-SEEKING TASKS

This project plans to develop a new evaluation framework to understand and characterise web users and their situation within complex, multi-..

2016 - 2019
Completed
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USER-ADAPTIVE SEARCH AND EVALUATION FOR COMPLEX INFORMATION-SEEKING TASKS

This project plans to develop a new evaluation framework to understand and characterise web users and their situation within complex, multi-..

2016 - 2019
Completed
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Relationship with eBay (Moffat)

2017 - 2018
Completed
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Data retrieval from massive information structures

Information search is an essential tool. But most current services regard the data as unstructured collections of independent documents, fre..

2014 - 2017
Completed
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Principles, Practice, and Pragmatics of Measurement in Experimental Computer Science

The project team's confidence in scientific knowledge is partly due to the robustness of the systems of measurement used in experiments. The..

2011 - 2014
Completed
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Efficient and Effective Algorithms for Searching Strings in Secondary Storage

Pattern searching is fundamental to a wide range of computing applications, including web search and bioinformatics. In this project we will..

2011 - 2014
Completed
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Methodologies for Designing and Evaluating Information Retrieval Experiments

Australian researchers have been highly successful in the area of information searching for more than two decades. This project will reinfor..

2007 - 2011
Completed

13

Projects

Project Types

11

Research Grant

2

Research Contracts

Additional Information

Scholarly Works

Displaying the 10 most recent scholarly works from 298 for Alistair Moffat.

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Anytime Ranking on Document-Ordered Indexes

Joel Mackenzie, Matthias Petri, Alistair Moffat

Journal article  |  2022  |  ACM Transactions on Information Systems

Inverted indexes continue to be a mainstay of text search engines, allowing efficient querying of large document collections. Whil..

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Faster Index Reordering with Bipartite Graph Partitioning

J MacKenzie, M Petri, A Moffat

Conference Proceedings  |  2021  |  SIGIR 2021 - Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval

We revisit the Bipartite Graph Partitioning approach to document reordering (Dhulipala et al., KDD 2016), and consider a range of ..

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Evaluating the Predictivity of IR Experiments

L Rashidi, J Zobel, A Moffat

Conference Proceedings  |  2021  |  SIGIR 2021 - Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval

Experimental evaluation is regarded as a critical element of any research activity in Information Retrieval, and is typically used..

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Modeling search and session effectiveness

Alfan Farizki Wicaksono, Alistair Moffat

Thesis / Dissertation  |  2021  |  Information Processing and Management

Many information needs cannot be resolved with a single query, and instead lead naturally to a sequence of queries, issued as a se..

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User Models, Metrics and Measures of Search: A Tutorial on the C/W/L Evaluation Framework

L Azzopardi, A Moffat, P Thomas, G Zuccon

Conference Proceedings  |  2021  |  CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval

Evaluation is central to Information Retrieval, and is how we compare the quality of systems. One important principle of evaluatio..

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Different Keystrokes for Different Folks: Visualizing Crowdworker Querying Behavior

R Benham, J MacKenzie, JS Culpepper, A Moffat

Conference Proceedings  |  2021  |  CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval

Search engine users retrieve relevant information for an information need using keyword queries. Different users may have similar ..

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Bayesian System Inference on Shallow Pools

R Benham, A Moffat, JS Culpepper

Book Chapter  |  2021  |  Lecture Notes in Computer Science

IR test collections make use of human annotated judgments. However, new systems that surface unjudged documents high in their resu..

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Examining the Additivity of Top-k Query Processing Innovations

J MacKenzie, A Moffat

Conference Proceedings  |  2020  |  CIKM '20: 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..

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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  |  CIKM '20: 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..

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Large-Alphabet Semi-Static Entropy Coding Via Asymmetric Numeral Systems

Alistair Moffat, Matthias Petri

Journal article  |  2020  |  ACM Transactions on Information Systems

An entropy coder takes as input a sequence of symbol identifiers over some specified alphabet and represents that sequence as a bi..

298

Scholarly Works

Keyword Analysis

Information Services
Data Management and Data Science
Theory of Computation
Information Systems, Technologies and Services
Expanding Knowledge
Artificial Intelligence
Computer Vision and Multimedia Computation
Information Systems
Other Information and Computing Sciences
Other Information and Communication Services

Honours, Awards and Fellowships

2010

Teaching Excellence Award

Melbourne School of Engineering, University of Melbourne
2006

National Carrick Citation for Outstanding Contribution to Teaching Excellence and Learning in Higher Education

Carrick Institute for Learning and Teaching in Higher Education

2

Awards

Credentials

Positions

Professor

Computing and Information Systems

Professional

Association for Computing Machinery

Education

Doctor of Philosophy

University of Canterbury

Bachelor of Science (Honours)

University of Canterbury

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