The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
This paper describes our participation at the GeoCLEF 2005 task. We detail the main software components of our Geo-IR system, its adaptation for the participation at GeoCLEF and d...
Nuno Cardoso, Bruno Martins, Marcirio Silveira Cha...
Highly heterogeneous XML data collections that do not have a global schema, as arising, for example, in federations of digital libraries or scientific data repositories, cannot be...
Most existing information retrieval (IR) systems do not take much advantage of natural language processing (NLP) techniques due to the complexity and limited observed effectivenes...
Many information resources on the web are relevant primarily to limited geographical communities. For instance, web sites containing information on restaurants, theaters, and apar...