785 search results - page 54 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
VLDB
2005
ACM
14 years 9 months ago
2005
ACM
XML database systems emerge as a result of the acceptance of the XML data model. Recent works have followed the promising approach of building XML database management systems on un...