334 search results - page 32 / 67 » On the Update of Term Weights in Dynamic Information Retriev... |
GIS
2003
ACM
14 years 8 months ago
2003
ACM
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Route planners request user input about preferred route characteristics in order to provide the user with the optimal route. Although navigators have a general idea about what con...
GIS
2003
ACM
14 years 8 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology t...
ITSSA
2006
13 years 7 months ago
2006
: Since its creation in 1990, World Wide Web has increased the popularity of Internet which becomes an important source of information or services for all people over the world. Th...