Sciweavers

2275 search results - page 274 / 455
» Object Evolution by Model Evolution
Sort
View
RECOMB
2001
Springer
14 years 9 months ago
Fast recovery of evolutionary trees with thousands of nodes
We present a novel distance-based algorithm for evolutionary tree reconstruction. Our algorithm reconstructs the topology of a tree with n leaves in O(n2 ) time using O(n) working...
Miklós Csürös
SIGMOD
2005
ACM
156views Database» more  SIGMOD 2005»
14 years 9 months ago
A snapshot of public web services
Web Service Technology has been developing rapidly as it provides a flexible application-to-application interaction mechanism. Several ongoing research efforts focus on various as...
Jianchun Fan, Subbarao Kambhampati
ECIR
2009
Springer
14 years 6 months ago
Topic and Trend Detection in Text Collections Using Latent Dirichlet Allocation
Algorithms that enable the process of automatically mining distinct topics in document collections have become increasingly important due to their applications in many fields and ...
Levent Bolelli, Seyda Ertekin, C. Lee Giles
HICSS
2009
IEEE
99views Biometrics» more  HICSS 2009»
14 years 4 months ago
Service Migration in an Enterprise System Architecture
This paper briefly reviews the state of Enterprise System Architecting (ESA) and concludes that assumptions of incremental technical evolution (overlaid by selective organizationa...
Stephen Cohen, William Money, Stephen Kaisler
PAKDD
2009
ACM
124views Data Mining» more  PAKDD 2009»
14 years 4 months ago
Dynamic Exponential Family Matrix Factorization
Abstract. We propose a new approach to modeling time-varying relational data such as e-mail transactions based on a dynamic extension of matrix factorization. To estimate effectiv...
Kohei Hayashi, Junichiro Hirayama, Shin Ishii