: In the last decade, many evaluation results have been created within the evaluation initiatives like TREC, NTCIR and CLEF. The large amount of data available has led to substanti...
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
Query-independent features (also called document priors), such as the number of incoming links to a document, its Page-Rank, or the type of its associated URL, have been successfu...
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
Peer-to-Peer (P2P) file sharing networks attract much attention from legal and research communities. The success and popularity of P2P networks provides a new paradigm for sharing...
Hao Shi, Yanchun Zhang, Jingyuan Zhang, Elizabeth ...