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ENVSOFT
2007
94views more  ENVSOFT 2007»
15 years 6 months ago
Automated estimation and analyses of meteorological drought characteristics from monthly rainfall data
The paper describes a new software package for automated estimation, display and analyses of various drought indices – continuous functions of precipitation that allow quantitat...
V. U. Smakhtin, D. A. Hughes
ICIP
2000
IEEE
16 years 8 months ago
The Role of Massive Color Quantization in Object Recognition
Psychophysicalexperimentsinspire a more complete analysis of the effect of quantization on a modified version of the histogram indexing method of object recognition. We derivean e...
Signe Redfield, John G. Harris
ICDE
2007
IEEE
115views Database» more  ICDE 2007»
16 years 7 months ago
SPRITE: A Learning-Based Text Retrieval System in DHT Networks
In this paper, we propose SPRITE (Selective PRogressive Index Tuning by Examples), a scalable system for text retrieval in a structured P2P network. Under SPRITE, each peer is res...
Yingguang Li, H. V. Jagadish, Kian-Lee Tan
DEXA
2007
Springer
127views Database» more  DEXA 2007»
16 years 17 days ago
A Method for Determining Ontology-Based Semantic Relevance
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
Tuukka Ruotsalo, Eero Hyvönen
IEEEARES
2006
IEEE
16 years 13 days ago
Defense trees for economic evaluation of security investments
In this paper we present a mixed qualitative and quantitative approach for evaluation of Information Technology (IT) security investments. For this purpose, we model security scen...
Stefano Bistarelli, Fabio Fioravanti, Pamela Peret...