16843 search results - page 3113 / 3369 » On Generalized Authorization Problems |
200
click to vote
WSDM
2010
ACM
16 years 4 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
206
click to vote
WSDM
2010
ACM
16 years 4 months ago
2010
ACM
Tagging plays an important role in many recent websites. Recommender systems can help to suggest a user the tags he might want to use for tagging a specific item. Factorization mo...
166
click to vote
WSDM
2010
ACM
16 years 4 months ago
2010
ACM
We study the problem of designing a mechanism to rank items in forums by making use of the user reviews such as thumb and star ratings. We compare mechanisms where forum users rat...
213
click to vote
WSDM
2010
ACM
16 years 4 months ago
2010
ACM
This paper focuses on the problem of identifying influential users of micro-blogging services. Twitter, one of the most notable micro-blogging services, employs a social-networkin...
196
click to vote
POPL
2010
ACM
16 years 4 months ago
2010
ACM
Despite years of work on retargetable compilers, creating a good, reliable back end for an optimizing compiler still entails a lot of hard work. Moreover, a critical component of ...