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SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Many current effectiveness measures incorporate simplifying assumptions about user behavior. These assumptions prevent the measures from reflecting aspects of the search process...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
STOC
2012
ACM
11 years 10 months ago
2012
ACM
We develop a game-theoretic framework for the study of competition between firms who have budgets to “seed” the initial adoption of their products by consumers located in a s...
STOC
2012
ACM
11 years 10 months ago
2012
ACM
Option contracts are a type of financial derivative that allow investors to hedge risk and speculate on the variation of an asset’s future market price. In short, an option has...
SODA
2012
ACM
11 years 10 months ago
2012
ACM
In this paper we prove lower bounds on randomized multiparty communication complexity, both in the blackboard model (where each message is written on a blackboard for all players ...