306 search results - page 38 / 62 » Spark: top-k keyword query in relational databases |
EDBTW
2010
Springer
14 years 1 months ago
2010
Springer
There has been lately an increased activity of publishing structured data in RDF due to the activity of the Linked Data community1 . The presence on the Web of such a huge informa...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Searching and extracting meaningful information out of highly heterogeneous datasets is a hot topic that received a lot of attention. However, the existing solutions are based on e...
GIS
2008
ACM
13 years 8 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
GIS
2010
ACM
13 years 5 months ago
2010
ACM
Recording the location of people using location-acquisition technologies, such as GPS, allows generating life patterns, which associate people to places they frequently visit. Con...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
This paper presents a novel strategy for temporal coalescing. Temporal coalescing merges the temporal extents of value-equivalent tuples. A temporal extent is usually coalesced of...