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KDD
2009
ACM
379views Data Mining» more  KDD 2009»
14 years 1 months ago
MetaFac: community discovery via relational hypergraph factorization
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...
Yu-Ru Lin, Jimeng Sun, Paul Castro, Ravi B. Konuru...
STOC
2000
ACM
156views Algorithms» more  STOC 2000»
14 years 1 months ago
Near optimal multiple alignment within a band in polynomial time
Multiple sequence alignment is a fundamental problem in computational biology. Because of its notorious difficulties, aligning sequences within a constant band (c-diagonal) is a ...
Ming Li, Bin Ma, Lusheng Wang
ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
14 years 1 months ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
AGENTS
2000
Springer
14 years 1 months ago
Towards a fault-tolerant multi-agent system architecture
Multi-agent systems are prone to failures typical of any distributed system. Agents and resources may become unavailable due to machine crashes, communication breakdowns, process ...
Sanjeev Kumar, Philip R. Cohen
ALT
2000
Springer
14 years 1 months ago
On the Hardness of Learning Acyclic Conjunctive Queries
A conjunctive query problem in relational database theory is a problem to determine whether or not a tuple belongs to the answer of a conjunctive query over a database. Here, a tup...
Kouichi Hirata