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ACMICEC
2007
ACM
220views ECommerce» more  ACMICEC 2007»
14 years 2 months ago
Asymptotically optimal repeated auctions for sponsored search
We investigate asymptotically optimal keyword auctions, that is, auctions which maximize revenue as the number of bidders grows. We do so under two alternative behavioral assumpti...
Nicolas S. Lambert, Yoav Shoham
CCS
2010
ACM
13 years 10 months ago
In search of an anonymous and secure lookup: attacks on structured peer-to-peer anonymous communication systems
The ability to locate random relays is a key challenge for peer-to-peer (P2P) anonymous communication systems. Earlier attempts like Salsa and AP3 used distributed hash table look...
Qiyan Wang, Prateek Mittal, Nikita Borisov
SIGMOD
2010
ACM
232views Database» more  SIGMOD 2010»
13 years 10 months ago
Optimizing content freshness of relations extracted from the web using keyword search
An increasing number of applications operate on data obtained from the Web. These applications typically maintain local copies of the web data to avoid network latency in data acc...
Mohan Yang, Haixun Wang, Lipyeow Lim, Min Wang
WWW
2006
ACM
14 years 11 months ago
Optimizing scoring functions and indexes for proximity search in type-annotated corpora
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
Soumen Chakrabarti, Kriti Puniyani, Sujatha Das
KDD
2008
ACM
246views Data Mining» more  KDD 2008»
14 years 10 months ago
Direct mining of discriminative and essential frequent patterns via model-based search tree
Frequent patterns provide solutions to datasets that do not have well-structured feature vectors. However, frequent pattern mining is non-trivial since the number of unique patter...
Wei Fan, Kun Zhang, Hong Cheng, Jing Gao, Xifeng Y...