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» On the Hardness of Approximate Reasoning
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STOC
2006
ACM
132views Algorithms» more  STOC 2006»
16 years 6 months ago
Near-optimal algorithms for unique games
Unique games are constraint satisfaction problems that can be viewed as a generalization of Max-Cut to a larger domain size. The Unique Games Conjecture states that it is hard to ...
Moses Charikar, Konstantin Makarychev, Yury Makary...
EDBT
2004
ACM
155views Database» more  EDBT 2004»
16 years 6 months ago
Processing Unions of Conjunctive Queries with Negation under Limited Access Patterns
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
Alan Nash, Bertram Ludäscher
EDBT
2008
ACM
178views Database» more  EDBT 2008»
16 years 6 months ago
Compacting music signatures for efficient music retrieval
Music information retrieval is becoming very important with the ever-increasing growth of music content in digital libraries, peer-to-peer systems and the internet. While it is ea...
Bin Cui, H. V. Jagadish, Beng Chin Ooi, Kian-Lee T...
ICCAD
2003
IEEE
127views Hardware» more  ICCAD 2003»
16 years 3 months ago
Code Placement with Selective Cache Activity Minimization for Embedded Real-time Software Design
– Many embedded system designs usually impose (hard) read-time constraints on tasks. Thus, computing a tight upper bound of the worst case execution time (WCET) of a software is ...
Junhyung Um, Taewhan Kim
TLDI
2009
ACM
142views Formal Methods» more  TLDI 2009»
16 years 3 months ago
Static extraction of sound hierarchical runtime object graphs
For many object-oriented systems, it is often useful to have a runtime architecture that shows networks of communicating objects. But it is hard to statically extract runtime obje...
Marwan Abi-Antoun, Jonathan Aldrich