190 search results - page 3 / 38 » Discovering XML keys and foreign keys in queries |
SIGIR
2008
ACM
13 years 5 months ago
2008
ACM
WWW
2001
ACM
14 years 6 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
PODS
2001
ACM
14 years 5 months ago
2001
ACM
The paper investigates XML document speci cations with DTDs and integrity constraints, such as keysand foreign keys. We study the consistency problem of checking whether a given s...
DEXA
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
WWW
2008
ACM
14 years 6 months ago
2008
ACM
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path-patt...