21 search results - page 1 / 5 » Semigroup Techniques in Recursive Query Optimization |
PODS
1990
ACM
13 years 9 months ago
1990
ACM
VLDB
1987
ACM
13 years 8 months ago
1987
ACM
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
VLDB
2002
ACM
13 years 4 months ago
2002
ACM
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...
VLDB
2005
ACM
13 years 10 months ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
DKE
2006
13 years 4 months ago
2006
Recursive queries are quite important in the context of XML databases. In addition, several recent papers have investigated a relational approach to store XML data and there is gr...