Sciweavers

2876 search results - page 16 / 576
» A Conceptual-Modeling Approach to Extracting Data from the W...
Sort
View
DOLAP
2005
ACM
13 years 9 months ago
Mapping conceptual to logical models for ETL processes
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
Alkis Simitsis
DAWAK
2006
Springer
13 years 9 months ago
Towards Multidimensional Requirement Design
Abstract. Data warehouses (DW) main objective is to facilitating decisionmaking. Thus their development has to take into account DW project actor requirements. While much recent re...
Estella Annoni, Franck Ravat, Olivier Teste, Gille...
ADC
2006
Springer
130views Database» more  ADC 2006»
14 years 1 months ago
A two-phase rule generation and optimization approach for wrapper generation
Web information extraction is a fundamental issue for web information management and integrations. A common approach is to use wrappers to extract data from web pages or documents...
Yanan Hao, Yanchun Zhang
TAL
2010
Springer
13 years 6 months ago
Portable Extraction of Partially Structured Facts from the Web
A novel fact extraction task is defined to fill a gap between current information retrieval and information extraction technologies. It is shown that it is possible to extract usef...
Andrew Salway, Liadh Kelly, Inguna Skadina, Gareth...
SPIRE
1999
Springer
13 years 12 months ago
Top-down Extraction of Semi-Structured Data
In this paper, we propose an innovative approach to extracting semi-structured data from Web sources. The idea is to collect a couple of example objects from the user and to use t...
Berthier A. Ribeiro-Neto, Alberto H. F. Laender, A...