281 search results - page 55 / 57 » Filtering Data Streams for Entity-Based Continuous Queries |
CORR
2010
Springer
13 years 6 months ago
2010
Springer
As mobile devices with positioning capabilities continue to proliferate, data management for so-called trajectory databases that capture the historical movements of populations of...
SIGIR
2002
ACM
13 years 5 months ago
2002
ACM
In this paper we describe a Cross Document Summarizer XDoX designed specifically to summarize large document sets (50-500 documents and more). Such sets of documents are typically...
STOC
2001
ACM
14 years 6 months ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
ADC
2010
Springer
13 years 1 months ago
2010
Springer
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
ISMIS
1997
Springer
13 years 10 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...