1300 search results - page 96 / 260 » XML Query Processing and Optimization |
WAIM
2004
Springer
14 years 1 months ago
2004
Springer
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Time-referenced data are pervasive in most real-world databases. Recent advances in temporal query languages show that such database applications may benefit substantially from bu...
BNCOD
2007
13 years 9 months ago
2007
We present a novel framework for indexing and searching schema-less XML documents based on concise summaries of their structural and textual content. Our search query language is X...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...