4137 search results - page 498 / 828 » Managing Expressions as Data in Relational Database Systems |
195
click to vote
ICDE
2005
IEEE
16 years 11 days ago
2005
IEEE
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
328
click to vote
GIS
2005
ACM
16 years 7 months ago
2005
ACM
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
179
click to vote
CSCWD
2001
Springer
15 years 11 months ago
2001
Springer
Different from multi-user database management systems, CSCW system must support group awareness explicitly, namely that participants should perceive the presence of each other dur...
177
click to vote
WAIM
2007
Springer
16 years 26 days ago
2007
Springer
Abstract. The heterogeneity nature of XML data creates the need for approximate query answering. In this paper, we present an XML system that cooperates with users to provide user-...
198
click to vote
KDD
2007
ACM
16 years 7 months ago
2007
ACM
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...