191 search results - page 21 / 39 » Aggregation Queries in the Database-As-a-Service Model |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
HT
2005
ACM
14 years 3 months ago
2005
ACM
This paper introduces a new method for linking the world view of the search engine user community with that of the search engine itself. This new method is based on collecting and...
SIGMOD
2011
ACM
13 years 15 days ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
IPM
2007
13 years 9 months ago
2007
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Large databases with uncertain information are becoming more common in many applications including data integration, location tracking, and Web search. In these applications, ranki...