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ICALP
2009
Springer
16 years 6 months ago
Counting Subgraphs via Homomorphisms
We introduce a generic approach for counting subgraphs in a graph. The main idea is to relate counting subgraphs to counting graph homomorphisms. This approach provides new algori...
Omid Amini, Fedor V. Fomin, Saket Saurabh
ASIACRYPT
2001
Springer
15 years 10 months ago
Responsive Round Complexity and Concurrent Zero-Knowledge
The number of communication rounds is a classic complexity measure for protocols; reducing round complexity is a major goal in protocol design. However, when the communication time...
Tzafrir Cohen, Joe Kilian, Erez Petrank
SIGMOD
2010
ACM
210views Database» more  SIGMOD 2010»
15 years 6 months ago
Searching trajectories by locations: an efficiency study
Trajectory search has long been an attractive and challenging topic which blooms various interesting applications in spatial-temporal databases. In this work, we study a new probl...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Yu Zhen...
JUCS
2010
161views more  JUCS 2010»
15 years 4 months ago
Evaluating Linear XPath Expressions by Pattern-Matching Automata
: We consider the problem of efficiently evaluating a large number of XPath expressions, especially in the case when they define subscriber profiles for filtering of XML documen...
Panu Silvasti, Seppo Sippu, Eljas Soisalon-Soinine...
STOC
2005
ACM
112views Algorithms» more  STOC 2005»
16 years 6 months ago
The complexity of agreement
A celebrated 1976 theorem of Aumann asserts that honest, rational Bayesian agents with common priors will never "agree to disagree": if their opinions about any topic ar...
Scott Aaronson