642 search results - page 52 / 129 » Answering XML Queries on Heterogeneous Data Sources |
MM
2009
ACM
14 years 3 months ago
2009
ACM
Automatic video search based on semantic concept detectors has recently received significant attention. Since the number of available detectors is much smaller than the size of h...
PODS
2007
ACM
14 years 8 months ago
2007
ACM
In [3], we introduced a framework for querying and updating probabilistic information over unordered labeled trees, the probabilistic tree model. The data model is based on trees ...
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
2009
IEEE
14 years 3 months ago
2009
IEEE
This demonstration presents Galaxy, a schema manager that facilitates easy and correct data sharing among autonomous but related, evolving data sources. Galaxy reduces heterogenei...
AMW
2009
13 years 9 months ago
2009
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...