2797 search results - page 117 / 560 » Code query by example |
121
Voted
DBPL
1997
Springer
15 years 7 months ago
1997
Springer
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
147
Voted
FODO
1998
Springer
15 years 6 months ago
1998
Springer
In this paper, we propose an entity-based style of queries for semistructured data. First, we partition a semistructured data into subgraphs corresponding to real-world entities, ...
134
Voted
WEBDB
2000
Springer
15 years 6 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...
106
Voted
DBPL
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. We propose a framework in which query sizes can be estimated from arbitrary statistical assertions on the data. In its most general form, a statistical assertion states t...
152
Voted
BTW
2007
Springer
15 years 9 months ago
2007
Springer
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...