The Program Chairs invite for the submission of original research papers and posters in all areas of Information Retrieval, including but not limited to:

IR Theory and Formal Models
Performance, Scalability, Architectures, Efficiency, Platforms
Indexing, Query representation, Query reformulation, Structure-based representation, XML
Metadata, Social tagging
Evaluation methods and metrics, Experimental design, Test collection
Interactive IR, User studies, User models, Task-based IR
User interfaces and visualization
Web IR (e.g. link analysis, query log analysis, ad targeting)
Digital libraries
Enterprise Search, Intranet, Desktop, Adversarial IR
Distributed IR, peer to peer IR, Mobile IR, Fusion/Combination
Cross-language retrieval, Multilingual retrieval, Machine translation for IR
Multimedia IR
Topic detection and tracking, Routing, Content-based filtering, Collaborative filtering, Agents, Spam filtering
Question answering, Natural language processing for IR, Summarization, Lexical acquisition
Text Data Mining
Text Categorization, Clustering
Other domain-specific IR (e.g., Genomic IR, legal IR, IR for chemical structures)
Blog and online-community search