1429 search results - page 30 / 286 » Efficient processing of XPath queries using indexes |
COMAD
2009
13 years 8 months ago
2009
XML stream querying problem involves evaluating a given, potentially large, set of query expressions on a continuous stream of XML messages. Since the messages arrive continuously...
PVLDB
2010
13 years 2 months ago
2010
A RkNN query returns all objects whose nearest k neighbors contain the query object. In this paper, we consider RkNN query processing in the case where the distances between attri...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
WISE
2006
Springer
14 years 1 months ago
2006
Springer
Maintaining a semantic cache of materialized XPath views inside or outside the database, is a novel, feasible and efficient approach to accelerate XML query processing. However, th...
ICDE
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...