Characterizing browsing strategies in the World-Wide Web
Proceedings of the Third International World-Wide Web conference on Technology, tools and applications
Foundations of statistical natural language processing
Foundations of statistical natural language processing
Patterns of search: analyzing and modeling Web query refinement
UM '99 Proceedings of the seventh international conference on User modeling
Analysis of a very large web search engine query log
ACM SIGIR Forum
Combining evidence for automatic web session identification
Information Processing and Management: an International Journal - Issues of context in information retrieval
Using terminological feedback for web search refinement: a log-based study
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval
Automatic construction of faceted terminological feedback for context-based information retrieval
Automatic construction of faceted terminological feedback for context-based information retrieval
Application of automatic topic identification on excite web search engine data logs
Information Processing and Management: an International Journal
Query chains: learning to rank from implicit feedback
Proceedings of the eleventh ACM SIGKDD international conference on Knowledge discovery in data mining
Multitasking during web search sessions
Information Processing and Management: an International Journal - Special issue: Formal methods for information retrieval
Automatic new topic identification using multiple linear regression
Information Processing and Management: an International Journal
History repeats itself: repeat queries in Yahoo's logs
SIGIR '06 Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval
Defining a session on Web search engines: Research Articles
Journal of the American Society for Information Science and Technology
How well does result relevance predict session satisfaction?
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
The query-flow graph: model and applications
Proceedings of the 17th ACM conference on Information and knowledge management
Analysis of long queries in a large scale search log
Proceedings of the 2009 workshop on Web Search Click Data
Query suggestions using query-flow graphs
Proceedings of the 2009 workshop on Web Search Click Data
Mining broad latent query aspects from search sessions
Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining
Context-aware query classification
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Adaptation of offline vertical selection predictions in the presence of user feedback
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Beyond session segmentation: predicting changes in search intent with client-side user interactions
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
From "Dango" to "Japanese Cakes": Query Reformulation Models and Patterns
WI-IAT '09 Proceedings of the 2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology - Volume 01
Search the web x.0: mining and recommending web-mediated processes
Proceedings of the third ACM conference on Recommender systems
What happens after an ad click?: quantifying the impact of landing pages in web advertising
Proceedings of the 18th ACM conference on Information and knowledge management
Analyzing and evaluating query reformulation strategies in web search logs
Proceedings of the 18th ACM conference on Information and knowledge management
An analysis framework for search sequences
Proceedings of the 18th ACM conference on Information and knowledge management
RebaCQ: query refinement based on consecutive queries
IRI'09 Proceedings of the 10th IEEE international conference on Information Reuse & Integration
Query assistant based on experience capitalization for information retrieval systems
HSI'09 Proceedings of the 2nd conference on Human System Interactions
An optimization framework for query recommendation
Proceedings of the third ACM international conference on Web search and data mining
Beyond DCG: user behavior as a predictor of a successful search
Proceedings of the third ACM international conference on Web search and data mining
Do you want to take notes?: identifying research missions in Yahoo! search pad
Proceedings of the 19th international conference on World wide web
Generalized syntactic and semantic models of query reformulation
Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Query similarity by projecting the query-flow graph
Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Intent boundary detection in search query logs
Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Query log analysis in the context of information retrieval for children
Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Interactive information seeking via selective application of contextual knowledge
Proceedings of the third symposium on Information interaction in context
An analysis of queries intended to search information for children
Proceedings of the third symposium on Information interaction in context
Learning topical transition probabilities in click through data with regression models
Procceedings of the 13th International Workshop on the Web and Databases
Graph structures and algorithms for query-log analysis
CiE'10 Proceedings of the Programs, proofs, process and 6th international conference on Computability in Europe
Coniunge et impera: multiple-graph mining for query-log analysis
ECML PKDD'10 Proceedings of the 2010 European conference on Machine learning and knowledge discovery in databases: Part I
Exploiting statistical and relational information on the web and in social media
Proceedings of the fourth ACM international conference on Web search and data mining
Who uses web search for what: and how
Proceedings of the fourth ACM international conference on Web search and data mining
#TwitterSearch: a comparison of microblog search and web search
Proceedings of the fourth ACM international conference on Web search and data mining
Identifying task-based sessions in search engine query logs
Proceedings of the fourth ACM international conference on Web search and data mining
Utilizing variability of time and term content, within and across users in session detection
COLING '10 Proceedings of the 23rd International Conference on Computational Linguistics: Posters
Using search logs to recommend images to new users
AMR'09 Proceedings of the 7th international conference on Adaptive multimedia retrieval: understanding media and adapting to the user
Predicting product duration for adaptive advertisement
ADMA'10 Proceedings of the 6th international conference on Advanced data mining and applications - Volume Part II
Search computing
Efficient diversification of web search results
Proceedings of the VLDB Endowment
Real time search on the web: Queries, topics, and economic value
Information Processing and Management: an International Journal
To seek, perchance to fail: expressions of user needs in internet video search
ECIR'11 Proceedings of the 33rd European conference on Advances in information retrieval
Query reformulation mining: models, patterns, and applications
Information Retrieval
Modeling and analysis of cross-session search tasks
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
Moving towards adaptive search in digital libraries
NLP4DL'09/AT4DL'09 Proceedings of the 2009 international conference on Advanced language technologies for digital libraries
Improving Europeana search experience using query logs
TPDL'11 Proceedings of the 15th international conference on Theory and practice of digital libraries: research and advanced technology for digital libraries
CONTEXT'11 Proceedings of the 7th international and interdisciplinary conference on Modeling and using context
Improving context-aware query classification via adaptive self-training
Proceedings of the 20th ACM international conference on Information and knowledge management
Proceedings of the 20th ACM international conference on Information and knowledge management
Query session detection as a cascade
Proceedings of the 20th ACM international conference on Information and knowledge management
What and how children search on the web
Proceedings of the 20th ACM international conference on Information and knowledge management
Context-aware search personalization with concept preference
Proceedings of the 20th ACM international conference on Information and knowledge management
Behavior-driven clustering of queries into topics
Proceedings of the 20th ACM international conference on Information and knowledge management
Beyond precision@10: clustering the long tail of web search results
Proceedings of the 20th ACM international conference on Information and knowledge management
No search result left behind: branching behavior with browser tabs
Proceedings of the fifth ACM international conference on Web search and data mining
"I loan because...": understanding motivations for pro-social lending
Proceedings of the fifth ACM international conference on Web search and data mining
The role of query sessions in extracting instance attributes from web search queries
ECIR'2010 Proceedings of the 32nd European conference on Advances in Information Retrieval
Generating suggestions for queries in the long tail with an inverted index
Information Processing and Management: an International Journal
Evaluating the effectiveness of search task trails
Proceedings of the 21st international conference on World Wide Web
Similarity caching in large-scale image retrieval
Information Processing and Management: an International Journal
Modeling the impact of short- and long-term behavior on search personalization
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
A semi-supervised approach to modeling web search satisfaction
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Mining query subtopics from search log data
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Search, interrupted: understanding and predicting search task continuation
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
When web search fails, searchers become askers: understanding the transition
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
On extracting session data from activity logs
Proceedings of the 5th Annual International Systems and Storage Conference
Query by babbling: a research agenda
Proceedings of the first workshop on Information and knowledge management for developing region
The wisdom of advertisers: mining subgoals via query clustering
Proceedings of the 21st ACM international conference on Information and knowledge management
Enabling direct interest-aware audience selection
Proceedings of the 21st ACM international conference on Information and knowledge management
Domain dependent query reformulation for web search
Proceedings of the 21st ACM international conference on Information and knowledge management
Multi-session re-search: in pursuit of repetition and diversification
Proceedings of the 21st ACM international conference on Information and knowledge management
Extracting interesting association rules from toolbar data
Proceedings of the 21st ACM international conference on Information and knowledge management
Identifying users' topical tasks in web search
Proceedings of the sixth ACM international conference on Web search and data mining
Playing by the rules: mining query associations to predict search performance
Proceedings of the sixth ACM international conference on Web search and data mining
Absence time and user engagement: evaluating ranking functions
Proceedings of the sixth ACM international conference on Web search and data mining
Personalizing atypical web search sessions
Proceedings of the sixth ACM international conference on Web search and data mining
Characterizing and supporting cross-device search tasks
Proceedings of the sixth ACM international conference on Web search and data mining
Intent-Based browse activity segmentation
ECIR'13 Proceedings of the 35th European conference on Advances in Information Retrieval
When entities meet query recommender systems: semantic search shortcuts
Proceedings of the 28th Annual ACM Symposium on Applied Computing
Utilizing query change for session search
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
Task-aware query recommendation
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
Toward whole-session relevance: exploring intrinsic diversity in web search
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
Learning to extract cross-session search tasks
Proceedings of the 22nd international conference on World Wide Web
Enhancing personalized search by mining and modeling task behavior
Proceedings of the 22nd international conference on World Wide Web
A vlHMM approach to context-aware search
ACM Transactions on the Web (TWEB)
Modeling and predicting the task-by-task behavior of search engine users
Proceedings of the 10th Conference on Open Research Areas in Information Retrieval
From search session detection to search mission detection
Proceedings of the 10th Conference on Open Research Areas in Information Retrieval
Discovering tasks from search engine query logs
ACM Transactions on Information Systems (TOIS)
Personalization of web-search using short-term browsing context
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Personalized models of search satisfaction
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Beyond clicks: query reformulation as a predictor of search satisfaction
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Learning to detect task boundaries of query session
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Mining search and browse logs for web search: A Survey
ACM Transactions on Intelligent Systems and Technology (TIST) - Survey papers, special sections on the semantic adaptive social web, intelligent systems for health informatics, regular papers
Analysis of Search and Browsing Behavior of Young Users on the Web
ACM Transactions on the Web (TWEB)
Lessons from the journey: a query log analysis of within-session learning
Proceedings of the 7th ACM international conference on Web search and data mining
Struggling or exploring?: disambiguating long search sessions
Proceedings of the 7th ACM international conference on Web search and data mining
Fast topic discovery from web search streams
Proceedings of the 23rd international conference on World wide web
Investigating query bursts in a web search engine
Web Intelligence and Agent Systems
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Most analysis of web search relevance and performance takes a single query as the unit of search engine interaction. When studies attempt to group queries together by task or session, a timeout is typically used to identify the boundary. However, users query search engines in order to accomplish tasks at a variety of granularities, issuing multiple queries as they attempt to accomplish tasks. In this work we study real sessions manually labeled into hierarchical tasks, and show that timeouts, whatever their length, are of limited utility in identifying task boundaries, achieving a maximum precision of only 70%. We report on properties of this search task hierarchy, as seen in a random sample of user interactions from a major web search engine's log, annotated by human editors, learning that 17% of tasks are interleaved, and 20% are hierarchically organized. No previous work has analyzed or addressed automatic identification of interleaved and hierarchically organized search tasks. We propose and evaluate a method for the automated segmentation of users' query streams into hierarchical units. Our classifiers can improve on timeout segmentation, as well as other previously published approaches, bringing the accuracy up to 92% for identifying fine-grained task boundaries, and 89-97% for identifying pairs of queries from the same task when tasks are interleaved hierarchically. This is the first work to identify, measure and automatically segment sequences of user queries into their hierarchical structure. The ability to perform this kind of segmentation paves the way for evaluating search engines in terms of user task completion.