7840 search results - page 1338 / 1568 » On generalized Ramsey numbers |
164
click to vote
SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
We analyze the problem of designing a truthful pay-per-click auction where the click-through-rates (CTR) of the bidders are unknown to the auction. Such an auction faces the class...
193
click to vote
SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
159
click to vote
SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
208
click to vote
SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
As an indispensable technique in the field of Information Filtering, Recommender System has been well studied and developed both in academia and in industry recently. However, mo...
175
Voted
SIGMETRICS
2009
ACM
16 years 1 months ago
2009
ACM
Accurately identifying spam campaigns launched by a large number of bots in a botnet allows for accurate spam campaign signature generation and hence is critical to defeating spam...