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» Some Properties and Some Problems on Set Functors
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RANLP
2003
15 years 5 months ago
Structured parameter estimation for LFG-DOP
Despite its state-of-the-art performance, the Data Oriented Parsing (DOP) model has been shown to suffer from biased parameter estimation, and the good performance seems more the ...
Mary Hearne, Khalil Sima'an
CORR
2007
Springer
167views Education» more  CORR 2007»
15 years 4 months ago
Approximation Algorithms for Orienteering with Time Windows
Orienteering is the following optimization problem: given an edge-weighted graph (directed or undirected), two nodes s, t and a time limit T, find an s-t walk of total length at ...
Chandra Chekuri, Nitish Korula
OPODIS
2010
15 years 2 months ago
Signature-Free Broadcast-Based Intrusion Tolerance: Never Decide a Byzantine Value
: Provide application processes with strong agreement guarantees despite failures is a fundamental problem of fault-tolerant distributed computing. Correct processes have not to be...
Achour Mostéfaoui, Michel Raynal
IANDC
2011
148views more  IANDC 2011»
14 years 11 months ago
Building species trees from larger parts of phylogenomic databases
Abstract. Gene trees are leaf-labeled trees inferred from molecular sequences. Due to duplication events arising in genome evolution, gene trees usually have multiple copies of som...
Celine Scornavacca, Vincent Berry, Vincent Ranwez
JCT
2011
89views more  JCT 2011»
14 years 11 months ago
On lines, joints, and incidences in three dimensions
We extend (and somewhat simplify) the algebraic proof technique of Guth and Katz [7], to obtain several sharp bounds on the number of incidences between lines and points in three ...
György Elekes, Haim Kaplan, Micha Sharir