1117 search results - page 140 / 224 » Querying structured data in an unstructured P2P system |
VLDB
2007
ACM
15 years 4 months ago
2007
ACM
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
ER
2008
Springer
14 years 11 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
ADBIS
1997
Springer
15 years 2 months ago
1997
Springer
In this paper we discuss the management of semi-structured data, i.e., data that has irregular or dynamically changing structure. We describe components of the Stanford Tsimmis Pr...
WEBI
2009
Springer
15 years 4 months ago
2009
Springer
The World Wide Web (WWW) has provided us with a plethora of information. However, given its unstructured format, this information is useful mainly to humans and cannot be effectiv...
CIVR
2009
Springer
15 years 4 months ago
2009
Springer
Spatial language video retrieval is an important real-world problem that is also a natural test bed for evaluating semantic structures for natural language descriptions of motion ...