96 search results - page 3 / 20 » Path Constraints in Semistructured Databases |
WEBDB
2000
Springer
15 years 1 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
FUIN
2008
14 years 9 months ago
2008
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for "scaling" up or down...
80
Voted
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Relevance Feedback is an important way to enhance retrieval quality by integrating relevance information provided by a user. In XML retrieval, feedback engines usually generate an ...
FOIKS
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. We give a general framework for approximate query processing in semistructured databases. We focus on regular path queries, which are the integral part of most of the que...
SIGMOD
1999
ACM
15 years 1 months ago
1999
ACM
We address the problem of query rewriting for TSL, a language for querying semistructured data. We develop and present an algorithm that, given a semistructured query q and a set ...