SIGIR is the major international forum for the presentation of new research results and for the demonstration of new systems and techniques in the broad field of information retrieval (IR). The Conference and Program Chairs invite all those working in areas related to IR to submit original papers, posters, and proposals for tutorials, workshops, and demonstrations of systems. In addition, SIGIR 2009 solicits submissions of doctoral proposals to its doctoral consortium. SIGIR 2009 welcomes contributions related to any aspect of IR theory and foundation, techniques, and applications. Relevant topics include, but are not limited to:
- IR Theory and Models (e.g., all kinds of formal IR models including language models and fusion of results, user/task-based IR theory)
- IR Platforms and Scalability (e.g., IR architecture including distributed/P2P, efficiency, scalability, indexing, compression)
- IR Evaluation (e.g., test collections, evaluation methods and metrics, experimental design, data collection and analysis)
- Document Representation and Content Analysis (e.g., text representation, document structure/discourse analysis, linguistic analysis-based representation, non-topical representation)
- Query Language and Query Analysis (e.g., structured queries, query representation, query intent analysis)
- User Modeling and Interactive IR (e.g., user models, user studies, user interface and visualization, all kinds of feedback techniques, query log analysis, personalized search)
- Machine Learning for IR (e.g., learning to rank, probabilistic topic models, all kinds of learning techniques applied to IR)
- Information Extraction and Summarization (e.g., entity/relation extraction, sentiment analysis, summarization, discovery of knowledge/patterns from text)
- Categorization, Clustering, and Filtering (e.g., text categorization, clustering, content-based filtering, collaborative filtering)
- Multimedia IR (e.g., image IR, video IR, speech/audio IR, music IR, analysis of multimedia content)
- Question Answering and Cross-Language IR (e.g., question answering, non-English IR, cross-language IR, machine translation for IR)
- Web IR (e.g., link analysis, query log analysis, social tagging, social networks, ad targeting, blog/forum IR)
- Digital Libraries and Other IR Applications (e.g., digital libraries, enterprise/intranet search, distributed IR, genomics IR, mobile IR, any domain-specific IR application)
- IR and Database Search (e.g., XML retrieval, structured queries, ranking in databases)
