721 search results - page 2 / 145 » Layered Index Structures in Document Database Systems |
SSDBM
2009
IEEE
14 years 7 days ago
2009
IEEE
High-dimensional indexing has been very popularly used for performing similarity search over various data types such as multimedia (audio/image/video) databases, document collectio...
ICDE
2002
IEEE
14 years 6 months ago
2002
IEEE
We propose a novel index structure, termed XTrie, that supports the efficient filtering of XML documents based on XPath expressions. Our XTrie index structure offers several novel...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
WEBDB
2005
Springer
13 years 11 months ago
2005
Springer
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
ALPIT
2007
IEEE
13 years 12 months ago
2007
IEEE
While information retrieval (IR) and databases (DB) have been developed independently, there have been emerging requirements that both data management and efficient text retrieva...