1000 search results - page 141 / 200 » Provenance for Aggregate Queries |
EDBT
2009
ACM
13 years 7 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
WWW
2011
ACM
13 years 4 months ago
2011
ACM
Recently answers for fact lookup queries have appeared on major search engines. For example, for the query {Barack Obama date of birth} Google directly shows “4 August 1961” a...
SEMCO
2008
IEEE
14 years 4 months ago
2008
IEEE
While semantic search technologies have been proven to work well in specific domains, they still have to confront two main challenges to scale up to the Web in its entirety. In th...
ISVC
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. We investigate image retrieval using interest point descriptors. New geographic information systems such as Google Earth and Microsoft Virtual Earth are providing increas...
ICDCSW
2006
IEEE
14 years 4 months ago
2006
IEEE
Business-to-business (B2B) data exchange and integration is a common daily operation in today’s organizations. These operations are crucial since they affect organizations’ ca...