848 search results - page 3 / 170 » Optimization of Sequence Queries in Database Systems |
GIS
2008
ACM
14 years 6 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
DEXA
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...
IDEAS
2003
IEEE
13 years 11 months ago
2003
IEEE
In this concise paper, we present the Nested Relational Sequence Model (NRSM), which is an extension of the Nested Relational Data Model in order to handle XML data. We also intro...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
Query generators producing sequences of SQL statements are embedded in many applications. As the execution time of such sequences is often far from optimal, their optimization is ...