85 search results - page 6 / 17 » Answering queries over incomplete data stream histories |
ICDE
1998
IEEE
14 years 10 months ago
1998
IEEE
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
EDBT
2011
ACM
13 years 3 days ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
Major search engines currently use the history of a user's actions (e.g., queries, clicks) to personalize search results. In this paper, we present a new personalized service...
MDM
2005
Springer
14 years 2 months ago
2005
Springer
This paper introduces a new family of Generic and Progressive algorithms (GPAC, for short) for continuous mobile queries over mobile objects. GPAC provides a general skeleton that...
JAPLL
2010
13 years 7 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...