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2002
IEEE
15 years 11 months ago
Complete Problems for Dynamic Complexity Classes
We present the first complete problems for dynamic complexity classes including the classes Dyn-FO and Dyn-ThC ¢ , the dynamic classes corresponding to relational calculus and (...
William Hesse, Neil Immerman
163
Voted
PAKDD
2010
ACM
179views Data Mining» more  PAKDD 2010»
15 years 11 months ago
Answer Diversification for Complex Question Answering on the Web
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
Palakorn Achananuparp, Xiaohua Hu, Tingting He, Ch...
FSTTCS
2001
Springer
15 years 11 months ago
Computability and Complexity Results for a Spatial Assertion Language for Data Structures
Abstract. This paper studies a recently developed an approach to reasoning about mutable data structures, which uses an assertion language with spatial conjunction and implication ...
Cristiano Calcagno, Hongseok Yang, Peter W. O'Hear...
COCOON
2000
Springer
15 years 11 months ago
Parameterized Complexity of Finding Subgraphs with Hereditary Properties
We consider the parameterized complexity of the following problem under the framework introduced by Downey and Fellows[4]: Given a graph G, an integer parameter k and a non-trivial...
Subhash Khot, Venkatesh Raman
COLT
2000
Springer
15 years 11 months ago
Average-Case Complexity of Learning Polynomials
The present paper deals with the averagecase complexity of various algorithms for learning univariate polynomials. For this purpose an appropriate framework is introduced. Based o...
Frank Stephan, Thomas Zeugmann