1532 search results - page 38 / 307 » Querying Distributed Data in a Super-Peer Based Architecture |
IPPS
2007
IEEE
14 years 3 months ago
2007
IEEE
Search-based graph queries, such as finding short paths and isomorphic subgraphs, are dominated by memory latency. If input graphs can be partitioned appropriately, large cluster...
GEOS
2005
Springer
14 years 2 months ago
2005
Springer
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
DASFAA
2007
IEEE
14 years 3 months ago
2007
IEEE
Recently, several approaches and systems were proposed to store in the same database data and the ontologies describing their meanings. We call these databases, ontology-based data...