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IR
2006
13 years 10 months ago
Evolving local and global weighting schemes in information retrieval
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...
Ronan Cummins, Colm O'Riordan
DEBU
2002
161views more  DEBU 2002»
13 years 10 months ago
Indexing and Retrieval of Historical Aggregate Information about Moving Objects
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
Dimitris Papadias, Yufei Tao, Jun Zhang, Nikos Mam...
GIS
2006
ACM
14 years 11 months ago
Index for fast retrieval of uncertain spatial point data
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
Dmitri V. Kalashnikov, Yiming Ma, Sharad Mehrotra,...
SUTC
2006
IEEE
14 years 4 months ago
Multi-ontology Based Multimedia Annotation for Domain-specific Information Retrieval
Recent advances in computer power, network bandwidth, information storage, and multimedia/signal processing techniques have led to a proliferation of multimedia data. As a result,...
Aijuan Dong, Honglin Li
CLEF
2007
Springer
14 years 4 months ago
Domain-Specific IR for German, English and Russian Languages
In participating in this CLEF evaluation campaign, our first objective is to propose and evaluate various indexing and search strategies for the Russian language, in order to obta...
Claire Fautsch, Ljiljana Dolamic, Samir Abdou, Jac...