218 search results - page 44 / 44 » Digital Rights Management for Content Distribution |
DAMON
2008
Springer
13 years 6 months ago
2008
Springer
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
SIGMOD
2012
ACM
11 years 7 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
PODS
2009
ACM
14 years 5 months ago
2009
ACM
Querying uncertain data has emerged as an important problem in data management due to the imprecise nature of many measurement data. In this paper we study answering range queries...