176 search results - page 19 / 36 » On the analysis of queries with counting constraints |
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Document-centric XML is a mixture of text and structure. With the increased availability of document-centric XML content comes a need for query facilities in which both structural...
PPDP
2010
Springer
13 years 7 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
GIS
2010
ACM
13 years 3 months ago
2010
ACM
It is now common for video; real-time and collected, mobile and static, to be georeferenced and stored in large archives for users of expert systems to access and interact with. I...
CIKM
2011
Springer
12 years 8 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...