Leif Azzopardi

Orcid: 0000-0002-6900-0557

Affiliations:
  • University of Strathclyde, UK


According to our database1, Leif Azzopardi authored at least 223 papers between 2003 and 2024.

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Bibliography

2024
A Systematic Review of Cost, Effort, and Load Research in Information Search and Retrieval, 1972-2020.
ACM Trans. Inf. Syst., January, 2024

TREC iKAT 2023: The Interactive Knowledge Assistance Track Overview.
CoRR, 2024

Ranking Heterogeneous Search Result Pages Using the Interactive Probability Ranking Principle.
Proceedings of the Advances in Information Retrieval, 2024

The Search Futures Workshop.
Proceedings of the Advances in Information Retrieval, 2024

Measuring Bias in a Ranked List Using Term-Based Representations.
Proceedings of the Advances in Information Retrieval, 2024

Uncharted Territory: Understanding Exploratory Search Behaviours in Literature Reviews.
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2024

The Influence of Presentation and Performance on User Satisfaction.
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2024

Seeking Socially Responsible Consumers: Exploring the Intention-Search-Behaviour Gap.
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2024

Search under Uncertainty: Cognitive Biases and Heuristics - Tutorial on Modeling Search Interaction using Behavioral Economics.
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2024

2023
What the Dickens: Post-mortem privacy and intergenerational trust.
Comput. Law Secur. Rev., 2023

Retrievability Bias Estimation Using Synthetically Generated Queries.
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, 2023

Driven to Distraction: Examining the Influence of Distractors on Search Behaviours, Performance and Experience.
Proceedings of the 2023 Conference on Human Information Interaction and Retrieval, 2023

2022
Revealing Cumulative Risks in Online Personal Information: A Data Narrative Study.
Proc. ACM Hum. Comput. Interact., 2022

TREC CAsT 2022: Going Beyond User Ask and System Retrieve with Initiative and Response Generation.
Proceedings of the Thirty-First Text REtrieval Conference, 2022

A Flexible Framework for Offline Effectiveness Metrics.
Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

Are Taylor's Posts Risky? Evaluating Cumulative Revelations in Online Personal Data: A persona-based tool for evaluating awareness of online risks and harms.
Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

An Initial Analysis of E-Procurement Search Behaviour.
Proceedings of the Information for a Better World: Shaping the Global Future - 17th International Conference, iConference 2022, Virtual Event, February 28, 2022

Towards Building Economic Models of Conversational Search.
Proceedings of the Advances in Information Retrieval, 2022

Improving BERT-based Query-by-Document Retrieval with Multi-task Optimization.
Proceedings of the Advances in Information Retrieval, 2022

Searching the Literature: An Analysis of an Exploratory Search Task.
Proceedings of the CHIIR '22: ACM SIGIR Conference on Human Information Interaction and Retrieval, Regensburg, Germany, March 14, 2022

2021
Inferring Trust From Users' Behaviours; Agents' Predictability Positively Affects Trust, Task Performance and Cognitive Load in Human-Agent Real-Time Collaboration.
Frontiers Robotics AI, 2021

Untangling the Concept of Task in Information Seeking and Retrieval.
Proceedings of the ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, 2021

Sentiment Intensity Prediction using Neural Word Embeddings.
Proceedings of the ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, 2021

ERR is not C/W/L: Exploring the Relationship Between Expected Reciprocal Rank and Other Metrics.
Proceedings of the ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, 2021

AWESSOME: An Unsupervised Sentiment Intensity Scoring Framework Using Neural Word Embeddings.
Proceedings of the Advances in Information Retrieval, 2021

BERT-Based Transformers for Early Detection of Mental Health Illnesses.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2021

Analysing Mixed Initiatives and Search Strategies during Conversational Search.
Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

Untangling Cost, Effort, and Load in Information Seeking and Retrieval.
Proceedings of the CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, 2021

Investigating the Influence of Ads on User Search Performance, Behaviour, and Experience during Information Seeking.
Proceedings of the CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, 2021

User Models, Metrics and Measures of Search: A Tutorial on the C/W/L Evaluation Framework.
Proceedings of the CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, 2021

Cognitive Biases in Search: A Review and Reflection of Cognitive Biases in Information Retrieval.
Proceedings of the CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, 2021

Towards Identifying, Understanding and Controlling Cumulative Revelations in Social Media.
Proceedings of the Information: Equity, Diversity, Inclusion, Justice, and Relevance, 2021

2020
DataMirror: Reflecting on One's Data Self: A Tool for Social Media Users to Explore Their Digital Footprints.
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, 2020

Predicting Perceptual Speed from Search Behaviour.
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, 2020

Using Sentiment Analysis for Pseudo-Relevance Feedback in Social Book Search.
Proceedings of the ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, 2020

Interactive Evaluation of Conversational Agents: Reflections on the Impact of Search Task Design.
Proceedings of the ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, 2020

Analyzing the Influence of Bigrams on Retrieval Bias and Effectiveness.
Proceedings of the ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, 2020

Impact of Agent Reliability and Predictability on Trust in Real Time Human-Agent Collaboration.
Proceedings of the HAI '20: 8th International Conference on Human-Agent Interaction, 2020

Early Risk Detection of Self-Harm and Depression Severity using BERT-based Transformers.
Proceedings of the Working Notes of CLEF 2020, 2020

Reflecting upon Perceptual Speed Tests in Information Retrieval: Limitations, Challenges, and Recommendations.
Proceedings of the CHIIR '20: Conference on Human Information Interaction and Retrieval, 2020

Made to Measure: A Workshop on Human-centred metrics for information seeking.
Proceedings of the CHIIR '20: Conference on Human Information Interaction and Retrieval, 2020

Data-Driven Evaluation Metrics for Heterogeneous Search Engine Result Pages.
Proceedings of the CHIIR '20: Conference on Human Information Interaction and Retrieval, 2020

2019
The impact of result diversification on search behaviour and performance.
Inf. Retr. J., 2019

VES Team at TREC Conversational Assistance Track (CAsT) 2019.
Proceedings of the Twenty-Eighth Text REtrieval Conference, 2019

Looking for Opportunities: Challenges in Procurement Search.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

cwl_eval: An Evaluation Tool for Information Retrieval.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

Building Economic Models and Measures of Search.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

CLEF eHealth 2019 Evaluation Lab.
Proceedings of the Advances in Information Retrieval, 2019

Overview of the CLEF eHealth Evaluation Lab 2019.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2019

CLEF 2019 Technology Assisted Reviews in Empirical Medicine Overview.
Proceedings of the Working Notes of CLEF 2019, 2019

Building Economic Models of Human Computer Interaction.
Proceedings of the Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems, 2019

2018
Information retrieval in the workplace: A comparison of professional search practices.
Inf. Process. Manag., 2018

A Survey Investigating Usage of Virtual Personal Assistants.
CoRR, 2018

Query Variation Performance Prediction for Systematic Reviews.
Proceedings of the 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, 2018

Measuring the Utility of Search Engine Result Pages: An Information Foraging Based Measure.
Proceedings of the 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, 2018

Information Scent, Searching and Stopping - Modelling SERP Level Stopping Behaviour.
Proceedings of the Advances in Information Retrieval, 2018

Overview of the CLEF eHealth Evaluation Lab 2018.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2018

CLEF 2018 Technologically Assisted Reviews in Empirical Medicine Overview.
Proceedings of the Working Notes of CLEF 2018, 2018

Overview of the CLEF Dynamic Search Evaluation Lab 2018.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2018

The impact of fielding on retrieval performance and bias.
Proceedings of the Building & Sustaining an Ethical Future with Emerging Technology, 2018

2017
Report on the Second International Workshop on the Evaluation on Collaborative Information Seeking and Retrieval (ECol?2017 @ CHIIR).
SIGIR Forum, 2017

Report on the Information Retrieval Festival (IRFest2017).
SIGIR Forum, 2017

Validating simulated interaction for retrieval evaluation.
Inf. Retr. J., 2017

Cross-domain citation recommendation based on hybrid topic model and co-citation selection.
Int. J. Data Min. Model. Manag., 2017

A Test Collection for Evaluating Retrieval of Studies for Inclusion in Systematic Reviews.
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

A Study of Snippet Length and Informativeness: Behaviour, Performance and User Experience.
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

Exploring the Query Halo Effect in Site Search: Leading People to Longer Queries.
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

The Lucene for Information Access and Retrieval Research (LIARR) Workshop at SIGIR 2017.
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

An Initial Investigation of Query Expansion Bias.
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, 2017

Personalised Search Time Prediction using Markov Chains.
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, 2017

A Task Completion Engine to Enhance Search Session Support for Air Traffic Work Tasks.
Proceedings of the Advances in Information Retrieval, 2017

CLEF 2017 Technologically Assisted Reviews in Empirical Medicine Overview.
Proceedings of the Working Notes of CLEF 2017, 2017

CLEF 2017 Dynamic Search Evaluation Lab Overview.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2017

CLEF 2017 Dynamic Search Lab Overview And Evaluation.
Proceedings of the Working Notes of CLEF 2017, 2017

SiS at CLEF 2017 eHealth TAR Task.
Proceedings of the Working Notes of CLEF 2017, 2017

Algorithmic Bias: Do Good Systems Make Relevant Documents More Retrievable?
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, 2017

Integrating the Framing of Clinical Questions via PICO into the Retrieval of Medical Literature for Systematic Reviews.
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, 2017

An Empirical Analysis of Pruning Techniques: Performance, Retrievability and Bias.
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, 2017

Second International Workshop On the Evaluation of Collaborative Information Seeking and Retrieval (Ecol'17).
Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval, 2017

Building Cost-Benefit Models of Information Interactions.
Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval, 2017

2016
Report on the First International Workshop on the Evaluation on Collaborative Information Seeking and Retrieval (ECol'2015).
SIGIR Forum, 2016

Lucene4IR: Developing Information Retrieval Evaluation Resources using Lucene.
SIGIR Forum, 2016

InfoScout: An Interactive, Entity Centric, Person Search Tool.
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, 2016

Simulating Interactive Information Retrieval: SimIIR: A Framework for the Simulation of Interaction.
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, 2016

Simulation of Interaction: A Tutorial on Modelling and Simulating User Interaction and Search Behaviour.
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, 2016

A Topical Approach to Retrievability Bias Estimation.
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, 2016

An Analysis of the Cost and Benefit of Search Interactions.
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, 2016

Advances in Formal Models of Search and Search Behaviour.
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, 2016

Two Scrolls or One Click: A Cost Model for Browsing Search Results.
Proceedings of the Advances in Information Retrieval, 2016

Agents, Simulated Users and Humans: An Analysis of Performance and Behaviour.
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, 2016

Impacts of Time Constraints and System Delays on User Experience.
Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval, 2016

Pienapple search: an integrated search interface to support finding, refinding and sharing.
Proceedings of the Creating Knowledge, Enhancing Lives through Information & Technology, 2016

2015
An Initial Investigation into Fixed and Adaptive Stopping Strategies.
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2015

How many results per page?: A Study of SERP Size, Search Behavior and User Experience.
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2015

Untangling Result List Refinement and Ranking Quality: a Framework for Evaluation and Prediction.
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2015

Time Pressure and System Delays in Information Search.
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2015

Building and Using Models of Information Seeking, Search and Retrieval: Full Day Tutorial.
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2015

An Analysis of Theories of Search and Search Behavior.
Proceedings of the 2015 International Conference on The Theory of Information Retrieval, 2015

Theory of Retrieval: The Retrievability of Information.
Proceedings of the 2015 International Conference on The Theory of Information Retrieval, 2015

Retrievability and Retrieval Bias: A Comparison of Inequality Measures.
Proceedings of the Advances in Information Retrieval, 2015

The Impact of Query Interface Design on Stress, Workload and Performance.
Proceedings of the Advances in Information Retrieval, 2015

A Game of Search.
Proceedings of the Second International Workshop on Gamification for Information Retrieval co-located with the 37th European Conference on Information Retrieval (ECIR 2015), 2015

A Tutorial on Measuring Document Retrievability.
Proceedings of the Advances in Information Retrieval, 2015

Usor Economicus.
Proceedings of the CORIA 2015 - Conférence en Recherche d'Infomations et Applications, 2015

Exploring Behavioral Dimensions in Session Effectiveness.
Proceedings of the Experimental IR Meets Multilinguality, Multimodality, and Interaction, 2015

Query Length, Retrievability Bias and Performance.
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

Searching and Stopping: An Analysis of Stopping Rules and Strategies.
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

ECol 2015: First international workshop on the Evaluation on Collaborative Information Seeking and Retrieval.
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

Integrating and Evaluating Neural Word Embeddings in Information Retrieval.
Proceedings of the 20th Australasian Document Computing Symposium, 2015

2014
The retrievability of documents.
Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014

Modelling interaction with economic models of search.
Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014

Investigating people: a qualitative analysis of the search behaviours of open-source intelligence analysts.
Proceedings of the Fifth Information Interaction in Context Symposium, 2014

Stuck in traffic: how temporal delays affect search behaviour.
Proceedings of the Fifth Information Interaction in Context Symposium, 2014

Efficiently Estimating Retrievability Bias.
Proceedings of the Advances in Information Retrieval, 2014

Best and Fairest: An Empirical Analysis of Retrieval System Bias.
Proceedings of the Advances in Information Retrieval, 2014

Studying user browsing behavior through gamified search tasks.
Proceedings of the First International Workshop on Gamification for Information Retrieval, 2014

Page Retrievability Calculator.
Proceedings of the Advances in Information Retrieval, 2014

PageFetch 2: gamification the sequel.
Proceedings of the First International Workshop on Gamification for Information Retrieval, 2014

A Retrievability Analysis: Exploring the Relationship Between Retrieval Bias and Retrieval Performance.
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, 2014

2013
Report on the Scottish informatics and computing science alliance's information retrieval workshop (IRFest).
SIGIR Forum, 2013

Crowdsourcing interactions: using crowdsourcing for evaluating interactive information retrieval systems.
Inf. Retr., 2013

Relating retrievability, performance and length.
Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

#trapped!: social media search system requirements for emergency management professionals.
Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

How query cost affects search behavior.
Proceedings of the 36th International ACM SIGIR conference on research and development in Information Retrieval, 2013

An Initial Investigation on the Relationship between Usage and Findability.
Proceedings of the Advances in Information Retrieval, 2013

Reducing the Uncertainty in Resource Selection.
Proceedings of the Advances in Information Retrieval, 2013

Re-leashed! The PuppyIR Framework for Developing Information Services for Children, Adults and Dogs.
Proceedings of the Advances in Information Retrieval, 2013

High throughput filtering using FPGA-acceleration.
Proceedings of the 22nd ACM International Conference on Information and Knowledge Management, 2013

Economic models of search.
Proceedings of the Australasian Document Computing Symposium, 2013

2012
PageFetch: a retrieval game for children (and adults).
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

MaSe: create your own mash-up search interface.
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

YooSee: a video browsing application for young children.
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

ALF: a client side logger and server for capturing user interactions in web applications.
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

SCAMP: a tool for conducting interactive information retrieval experiments.
Proceedings of the Information Interaction in Context: 2012, 2012

A preliminary study using PageFetch to examine the searching ability of children and adults.
Proceedings of the Information Interaction in Context: 2012, 2012

Practical considerations when filtering documents.
Proceedings of the Information Interaction in Context: 2012, 2012

EmSe: initial evaluation of a child-friendly medical search system.
Proceedings of the Information Interaction in Context: 2012, 2012

Top-k Retrieval Using Facility Location Analysis.
Proceedings of the Advances in Information Retrieval, 2012

Detection of News Feeds Items Appropriate for Children.
Proceedings of the Advances in Information Retrieval, 2012

Crisees: Real-Time Monitoring of Social Media Streams to Support Crisis Management.
Proceedings of the Advances in Information Retrieval, 2012

EmSe: Supporting Children's Information Needs within a Hospital Environment.
Proceedings of the Advances in Information Retrieval, 2012

Service-please: an interactive healthy eating serious game application for tablet computer.
Proceedings of the BCS-HCI '12 Proceedings of the 26th Annual BCS Interaction Specialist Group Conference on People and Computers, 2012

2011
Extending the language modeling framework for sentence retrieval to include local context.
Inf. Retr., 2011

Introduction to special issue on the second international conference on the theory of information retrieval.
Inf. Retr., 2011

The interactive PRP for diversifying document rankings.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

JuSe: a picture dictionary query system for children.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

The economics in interactive information retrieval.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

Investigating Subspace Distances in Semantic Spaces.
Proceedings of the 2nd Italian Information Retrieval (IIR) Workshop, 2011

On the use of Complex Numbers in Quantum Models for Information Retrieval.
Proceedings of the Advances in Information Retrieval Theory, 2011

An Analysis of Ranking Principles and Retrieval Strategies.
Proceedings of the Advances in Information Retrieval Theory, 2011

Back to the Roots: Mean-Variance Analysis of Relevance Estimations.
Proceedings of the Advances in Information Retrieval, 2011

Towards a Living Lab for Information Retrieval Research and Development - A Proposal for a Living Lab for Product Search Tasks.
Proceedings of the Multilingual and Multimodal Information Access Evaluation, 2011

Fu-Finder: a game for studying querying behaviours.
Proceedings of the 20th ACM Conference on Information and Knowledge Management, 2011

Finding interest in the stream.
Proceedings of the Bridging the Gulf: Communication and Information in Society, Technology, and Work, 2011

2010
Improving Access to Large Patent Corpora.
Trans. Large Scale Data Knowl. Centered Syst., 2010

Report on the SIGIR 2010 workshop on the simulation of interaction.
SIGIR Forum, 2010

Has portfolio theory got any principles?
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Estimating interference in the QPRP for subtopic retrieval.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Query quality: user ratings and system predictions.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Finding and filtering information for children.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Search system requirements of patent analysts.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Improving sentence retrieval with an importance prior.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

On the relationship between effectiveness and accessibility.
Proceedings of the Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2010

Developing the Quantum Probability Ranking Principle.
Proceedings of the IIR 2010, 2010

A survey of patent users: an analysis of tasks, behavior, search functionality and system requirements.
Proceedings of the Information Interaction in Context Symposium, 2010

Interaction-based information filtering for children.
Proceedings of the Information Interaction in Context Symposium, 2010

Using the Quantum Probability Ranking Principle to Rank Interdependent Documents.
Proceedings of the Advances in Information Retrieval, 2010

A Case for Automatic System Evaluation.
Proceedings of the Advances in Information Retrieval, 2010

Query Performance Prediction: Evaluation Contrasted with Effectiveness.
Proceedings of the Advances in Information Retrieval, 2010

A comparison of user and system query performance predictions.
Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010


2009
A language modeling framework for expert finding.
Inf. Process. Manag., 2009

Evaluating Personal Information Management Behaviour using Markov Models.
Proceedings of the Fifth Conference Professional Knowledge Management: Experiences and Visions, 2009

Revisiting logical imaging for information retrieval.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Effective query expansion for federated search.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

When is query performance prediction effective?
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Developing energy efficient filtering systems.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Search engine predilection towards news media providers.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Query side evaluation: an empirical analysis of effectiveness and effort.
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2009

Semantic Spaces: Measuring the Distance between Different Subspaces.
Proceedings of the Quantum Interaction, Third International Symposium, 2009

Eraser Lattices and Semantic Contents.
Proceedings of the Quantum Interaction, Third International Symposium, 2009

The Quantum Probability Ranking Principle for Information Retrieval.
Proceedings of the Advances in Information Retrieval Theory, 2009

FPGA-accelerated Information Retrieval: High-efficiency document filtering.
Proceedings of the 19th International Conference on Field Programmable Logic and Applications, 2009

The Combination and Evaluation of Query Performance Prediction Methods.
Proceedings of the Advances in Information Retrieval, 2009

Automatically Generating Queries for Prior Art Search.
Proceedings of the Working Notes for CLEF 2009 Workshop co-located with the 13th European Conference on Digital Libraries (ECDL 2009) , Corfù, Greece, September 30, 2009

Relying on topic subsets for system ranking estimation.
Proceedings of the 18th ACM Conference on Information and Knowledge Management, 2009

Usage based effectiveness measures: monitoring application performance in information retrieval.
Proceedings of the 18th ACM Conference on Information and Knowledge Management, 2009

2008
Assessing multivariate Bernoulli models for information retrieval.
ACM Trans. Inf. Syst., 2008

An analysis on document length retrieval trends in language modeling smoothing.
Inf. Retr., 2008

Contextual factors affecting the utility of surrogates within exploratory search.
Inf. Process. Manag., 2008

Evaluating epistemic uncertainty under incomplete assessments.
Inf. Process. Manag., 2008

Characterising through Erasing: A Theoretical Framework for Representing Documents Inspired by Quantum Theory
CoRR, 2008

Resolving Person Names in Web People Search.
Proceedings of the Weaving Services and People on the World Wide Web, 2008

A Methodology for Building a Patent Test Collection for Prior Art Search.
Proceedings of the 2nd International Workshop on Evaluating Information Access, 2008

Accessibility in Information Retrieval.
Proceedings of the Advances in Information Retrieval , 2008

A Formalization of Logical Imaging for Information Retrieval Using Quantum Theory.
Proceedings of the 19th International Workshop on Database and Expert Systems Applications (DEXA 2008), 2008

Revisiting the relationship between document length and relevance.
Proceedings of the 17th ACM Conference on Information and Knowledge Management, 2008

Retrievability: an evaluation measure for higher order information access tasks.
Proceedings of the 17th ACM Conference on Information and Knowledge Management, 2008

2007
Persuasive, Authorative and Topical Answers for Complex Question Answering.
Proceedings of The Sixteenth Text REtrieval Conference, 2007

Updating collection representations for federated search.
Proceedings of the SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007

Intra-assessor consistency in question answering.
Proceedings of the SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007

Broad expertise retrieval in sparse data environments.
Proceedings of the SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007

Building simulated queries for known-item topics: an analysis using six european languages.
Proceedings of the SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2007

UVA: Language Modeling Techniques for Web People Search.
Proceedings of the 4th International Workshop on Semantic Evaluations, 2007

A Retrieval Evaluation Methodology for Incomplete Relevance Assessments.
Proceedings of the Advances in Information Retrieval, 2007

2006
Incorporating context within the language modeling approach for <i>ad hoc</i> information retrieval.
SIGIR Forum, 2006

Contextual Information and Assessor Characteristics in Complex Question Answering.
Proceedings of the Fifteenth Text REtrieval Conference, 2006

Adaptive Query-Based Sampling of Distributed Collections.
Proceedings of the String Processing and Information Retrieval, 2006

Formal models for expert finding in enterprise corpora.
Proceedings of the SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2006

Automatic construction of known-item finding test beds.
Proceedings of the SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2006

Adaptive query-based sampling for distributed IR.
Proceedings of the SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2006

An evaluation of resource description quality measures.
Proceedings of the 2006 ACM Symposium on Applied Computing (SAC), 2006

Towards better measures: evaluation of estimated resource description quality for distributed IR.
Proceedings of the 1st International Conference on Scalable Information Systems, 2006

An Application Framework for Distributed Information Retrieval.
Proceedings of the Digital Libraries: Achievements, 2006

An Efficient Computation of the Multiple-Bernoulli Language Model.
Proceedings of the Advances in Information Retrieval, 2006

Overview of WebCLEF 2006.
Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

2005
Combining Thesauri-Based Methods for Biomedical Retrieval.
Proceedings of the Fourteenth Text REtrieval Conference, 2005

Language Modeling Approaches for Enterprise Tasks.
Proceedings of the Fourteenth Text REtrieval Conference, 2005

Probabilistic hyperspace analogue to language.
Proceedings of the SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2005

Age Dependent Document Priors in Link Structure Analysis.
Proceedings of the Advances in Information Retrieval, 2005

Evaluating User Studies in Information Access.
Proceedings of the Context: Nature, Impact, and Role, 2005

2004
User biased document language modelling.
Proceedings of the SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2004

2003
Investigating the relationship between language model perplexity and IR precision-recall measures.
Proceedings of the SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28, 2003


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