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NAACL
2003
15 years 7 months ago
Supervised and unsupervised PCFG adaptation to novel domains
This paper investigates adapting a lexicalized probabilistic context-free grammar (PCFG) to a novel domain, using maximum a posteriori (MAP) estimation. The MAP framework is gener...
Brian Roark, Michiel Bacchiani
WWW
2008
ACM
16 years 6 months ago
Learning multiple graphs for document recommendations
The Web offers rich relational data with different semantics. In this paper, we address the problem of document recommendation in a digital library, where the documents in questio...
Ding Zhou, Shenghuo Zhu, Kai Yu, Xiaodan Song, Bel...
JMIS
2011
66views more  JMIS 2011»
14 years 8 months ago
Drivers of the Long Tail Phenomenon: An Empirical Analysis
: The Internet makes it easy to offer large assortments of products, tempting managers to chase the “long tail”—that is, the phenomenon in which niche products gain a signifi...
Oliver Hinz, Jochen Eckert, Bernd Skiera
ICDCSW
2005
IEEE
15 years 11 months ago
Cluster-Based Intelligent Searching in Unstructured Peer-to-Peer Networks
Existing cluster-based searching schemes in unstructured peer-to-peer (P2P) networks employ flooding/random forwarding on connected dominating sets (CDS) of networks. There exist...
Xiuqi Li, Jie Wu
ICTAI
2003
IEEE
15 years 11 months ago
Genetic Algorithm Calibration of Probabilistic Cellular Automata for Modeling Mining Permit Activity
We use a genetic algorithm to calibrate a spatially and temporally resolved cellular automata to model mining activity on public land in Idaho and western Montana. The genetic alg...
Sushil J. Louis, Gary L. Raines