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» A Flexible Database Authorization System
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91
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WWW
2007
ACM
16 years 10 days ago
Detectives: detecting coalition hit inflation attacks in advertising networks streams
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...
Ahmed Metwally, Divyakant Agrawal, Amr El Abbadi
KDD
2009
ACM
227views Data Mining» more  KDD 2009»
16 years 6 days ago
User grouping behavior in online forums
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...
Xiaolin Shi, Jun Zhu, Rui Cai, Lei Zhang
178
Voted
VLDB
2009
ACM
147views Database» more  VLDB 2009»
15 years 12 months ago
Privacy-preserving indexing of documents on the network
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) ...
Mayank Bawa, Rakesh Agrawal, Roberto J. Bayardo Jr...
86
Voted
ADC
2004
Springer
105views Database» more  ADC 2004»
15 years 5 months ago
Do Clarity Scores for Queries Correlate with User Performance?
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 ...
Andrew Turpin, William R. Hersh
103
Voted
VLDB
1987
ACM
78views Database» more  VLDB 1987»
15 years 3 months ago
Measured Performance of Time Interval Concurrency Control Techniques
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...
Jerre D. Noe, David B. Wagner