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RECOMB
2005
Springer
14 years 10 months ago
Lower Bounds for Maximum Parsimony with Gene Order Data
Abstract. In this paper, we study lower bound techniques for branchand-bound algorithms for maximum parsimony, with a focus on gene order data. We give a simple O(n3 ) time dynamic...
Abraham Bachrach, Kevin Chen, Chris Harrelson, Rad...
CADE
2002
Springer
14 years 10 months ago
Reasoning by Symmetry and Function Ordering in Finite Model Generation
Abstract. Finite model search for first-order logic theories is complementary to theorem proving. Systems like Falcon, SEM and FMSET use the known LNH (Least Number Heuristic) heur...
Gilles Audemard, Belaid Benhamou
STOC
2001
ACM
134views Algorithms» more  STOC 2001»
14 years 10 months ago
Fully-dynamic min-cut
We show that we can maintain up to polylogarithmic edge connectivity for a fully-dynamic graph in ~O(pn) time per edge insertion or deletion. Within logarithmic factors, this matc...
Mikkel Thorup
SIGMOD
2009
ACM
218views Database» more  SIGMOD 2009»
14 years 10 months ago
Exploring biomedical databases with BioNav
We demonstrate the BioNav system, a novel search interface for biomedical databases, such as PubMed. BioNav enables users to navigate large number of query results by categorizing...
Abhijith Kashyap, Vagelis Hristidis, Michalis Petr...
SIGMOD
2004
ACM
184views Database» more  SIGMOD 2004»
14 years 10 months ago
Identifying Similarities, Periodicities and Bursts for Online Search Queries
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...
Michail Vlachos, Christopher Meek, Zografoula Vage...