15 search results - page 1 / 3 » DataGuides: Enabling Query Formulation and Optimization in S... |
VLDB
1997
ACM
13 years 9 months ago
1997
ACM
In semistructured databases there is no schema fixed in advance. To provide the benefits of a schema in such environments, we introduce DataGuides: concise and accurate structural...
FOIKS
2004
Springer
13 years 10 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...
AVI
2008
13 years 6 months ago
2008
Traditional database query formulation is intensional: at the level of schemas, table and column names. Previous work has shown that filters can be created using a query paradigm ...
SYRCODIS
2008
13 years 6 months ago
2008
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
Existing index selection tools rely on heuristics to efficiently search within the large space of alternative solutions and to minimize the overhead of using the query optimizer ...