Italian Information Retrieval (IIR) Workshop

The proceedings contain 22 papers. The topics discussed include: first steps beyond the bag-of-words representation of short texts; retrieve volunteered geographic information for forest fire; heterogeneous data co-clustering by pseudo-semantic affinity functions; using micro-documents for feature selection: the case of ordinal text classification; investigating subspace distances in semantic spaces; semantic re-ranking in ad-hoc robust retrieval; experimenting text summarization techniques for contextual advertising; a methodology for analyzing web search results; random indexing for content-based recommender systems; from terms to concepts: a revisited approach to local context analysis; a query algebra for quantum information retrieval; quantum contextual information access and retrieval; blog distillation via sentiment-sensitive link analysis; and explicit semantic analysis for enriching content-based user profiles.