140 search results - page 11 / 28 » Answering Keyword Queries on XML Using Materialized Views |
DBKDA
2010
IEEE
14 years 13 days ago
2010
IEEE
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
PODS
2010
ACM
14 years 12 days ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
DBISP2P
2005
Springer
14 years 26 days 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 1 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...