CIKM'05 Sessions IR-1 (Information Retrieval): XML Retrieval DB-1 (Databases): Networks and Peer-to-Peer KM-1 (Knowledge Management): Knowledge Systems IR-2 (Information Retrieval): Question Answering DB-2 (Databases): Security and Privacy KM-2 (Knowledge Management): Index Structures IR-3 (Information Retrieval): Web Retrieval DB-3 (Databases): Sensors and Data Streams KM-3 (Knowledge Management): Classification and Clustering IR-4 (Information Retrieval): Machine Learning DB-4 (Databases): XML and Query Processing KM-4 (Knowledge Management): Information Extraction Industry Track IR-5 (Information Retrieval): Machine Learning and Collaborative Filtering DB-5 (Databases): Updates and Change Detection IR-6 (Information Retrieval): IR Models 1 IR-7 (Information Retrieval): Distributed Retrieval DB-6 (Databases): Algorithms DB-7 (Databases): Privacy and Sharing IR-8 (Information Retrieval): Sentiment and Genre Classification DB-8 (Databases): Query Optimisation IR-9 (Information Retrieval): IR Models 2 IR-10 (Information Retrieval): Query Expansion DB-9 (Databases): Query Processing 1 IR-11 (Information Retrieval): Novelty Detection IR-12 (Information Retrieval): IR Potpourri DB-10 (Databases): Query Processing 2 IR-13 (Information Retrieval): Context and Personalization ©2006 Association for Computing Machinery