We conduct large-scale search engine relevance experiments, using the 12% of queries that contain placenames, matching the placenames to places in the documents, and examining the...
The EU project Twenty-One will support cross language queries in a multilingual document base. A prototype version of the Twenty-Onesystem has been subjected to the Cross Language...
Abstract. Learning To Rank (LTR) techniques aim to learn an effective document ranking function by combining several document features. While the function learned may be uniformly ...
Query expansion has been shown effective for both single database retrieval and for distributed information retrieval where complete collection information is available. One might...
Time is an important dimension of relevance for a large number of searches, such as over blogs and news archives. So far, research on searching over such collections has largely f...
Wisam Dakka, Luis Gravano, Panagiotis G. Ipeirotis