3456 search results - page 174 / 692 » Semantics in Spatial Databases |
KDD
1994
ACM
14 years 13 days ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
GEOINFO
2004
13 years 9 months ago
2004
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
DEXAW
2010
IEEE
13 years 9 months ago
2010
IEEE
In this paper, we describe our work in progress in the scope of information retrieval exploiting the spatial data extracted from web documents. We discuss problems of a search for ...
KDD
2009
ACM
14 years 9 months ago
2009
ACM
A recent study by two prominent finance researchers, Fama and French, introduces a new framework for studying risk vs. return: the migration of stocks across size-value portfolio ...
VLDB
1997
ACM
14 years 15 days ago
1997
ACM
R-tree based spatial join is useful because of both its superior performance and the wide spread implementation of R-trees. We present a new R-tree join method called BFRJ (Breadt...