221 search results - page 4 / 45 » Chase of Recursive Queries |
DKE
2006
13 years 7 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...
JLP
2000
13 years 7 months ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
IJCAI
2003
13 years 8 months ago
2003
Information integration systems provide a uniform query interface to a set of sources. One of the key challenges for an information integration system is to provide maximally comp...
LICS
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...
VLDB
2002
ACM
13 years 7 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...