707 search results - page 79 / 142 » Processing queries on tree-structured data efficiently |
W2GIS
2005
Springer
14 years 2 months ago
2005
Springer
Location-based services (LBS) constitute an emerging application domain involving spatio-temporal databases. In this paper, i) we propose a classification of LBS, depending on whet...
HPDC
2010
IEEE
13 years 9 months ago
2010
IEEE
This paper proposes a cache hierarchy that enables Web search engines to efficiently process user queries. The different caches in the hierarchy are used to store pieces of data w...
COMPGEOM
1994
ACM
14 years 25 days ago
1994
ACM
Ray (segment) shooting is the problem of determining the first intersection between a ray (directed line segment) and a collection of polygonal or polyhedral obstacles. In order t...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
To truly meet the requirements of multimedia database (MMDB) management, an integrated framework for modeling, managing and retrieving various kinds of media data in a uniform way...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
In this paper, we study query evaluation on Active XML documents (AXML for short), a new generation of XML documents that has recently gained popularity. AXML documents are XML do...