294 search results - page 12 / 59 » Answering Regular Path Queries Using Views |
DBISP2P
2005
Springer
14 years 2 months ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...
WEBDB
2009
Springer
14 years 3 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
JFP
2006
13 years 8 months ago
2006
A part of a query that will never contribute data to the query answer should be regarded as an error. This principle has been recently accepted into mainstream XML query languages...
PODS
2005
ACM
14 years 8 months ago
2005
ACM
We investigate the question of whether a query can be answered using a set V of views. We first define the problem in information-theoretic terms: we say that V determines if V pr...