1923 search results - page 71 / 385 » Ranking in Spatial Databases |
GIS
2008
ACM
14 years 9 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
VLDB
1992
ACM
13 years 12 months ago
1992
ACM
In the past, two basic approaches for sampling f5-om B+ trees have been suggested: sampling from the ranked trees and acceptance/rejection sampling i?om non-ranked trees. The firs...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
The presence of encyclopedic Web sources, such as Wikipedia, the Internet Movie Database (IMDB), World Factbook, etc. calls for new querying techniques that are simple and yet mor...
ICDE
1999
IEEE
14 years 9 months ago
1999
IEEE
Similarity searching in text databases with multiple field types is still an open problem. We experimented with CORDIS and we evaluated the effectiveness of many text retrieval me...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Ontologies have been shown to be beneficial for representing domain knowledge, and are quickly becoming the backbone of the Semantic Web. The need for ontology ranking techniques ...