3524 search results - page 442 / 705 » Issues in Active Databases |
172
click to vote
EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
121
Voted
EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Networks of sensors are used in many different fields, from industrial applications to surveillance applications. A common feature of these applications is the necessity of a mo...
143
click to vote
GIS
2009
ACM
15 years 11 months ago
2009
ACM
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...
150
click to vote
DEXAW
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract—Search context is a crucial factor that helps to understand a user’s information need in ad-hoc Web page retrieval. A query log of a search engine contains rich inform...
135
click to vote
WEBI
2009
Springer
15 years 11 months ago
2009
Springer
—The key to Deep Web crawling is to submit promising keywords to query form and retrieve Deep Web content efficiently. To select keywords, existing methods make a decision based ...