2223 search results - page 243 / 445 » Query Optimization in an OODBMS |
160
Voted
WWW
2008
ACM
15 years 4 months ago
2008
ACM
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
232
Voted
SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
186
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DOCENG
2004
ACM
15 years 10 months ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
146
Voted
SIGECOM
2003
ACM
15 years 10 months ago
2003
ACM
Preference elicitation — the process of asking queries to determine parties’ preferences — is a key part of many problems in electronic commerce. For example, a shopping age...
183
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EDBT
1998
ACM
15 years 8 months ago
1998
ACM
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...