736 search results - page 139 / 148 » A Flexible Database Authorization System |
91
Voted
WWW
2007
ACM
16 years 10 days ago
2007
ACM
Click fraud is jeopardizing the industry of Internet advertising. Internet advertising is crucial for the thriving of the entire Internet, since it allows producers to advertise t...
113
click to vote
KDD
2009
ACM
16 years 6 days ago
2009
ACM
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...
178
Voted
VLDB
2009
ACM
15 years 12 months ago
2009
ACM
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) ...
86
Voted
ADC
2004
Springer
15 years 5 months ago
2004
Springer
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
103
Voted
VLDB
1987
ACM
15 years 3 months ago
1987
ACM
This paper reports on an implementation of Bayer's Time Interval concurrency control method and compares it to the performance of a conventional timestamp method. The impleme...