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This paper proposes a flexible architectural framework for modelling application services useful in supporting business decision processes. This architecture goes beyond the static schemas offered by data warehouse systems as it supports including data gathered from heterogeneous sources and added-value services offered in Internet or provided by Cloud infrastructures. Central to this architecture is the concept of dataspace as a reference model for structuring information relevant to a particular organization, regardless of its format and location. A case study of a real world implementation is presented dealing with supporting decisions in the real estate domain.<\/p>","DOI":"10.4018\/jwp.2012040103","type":"journal-article","created":{"date-parts":[[2012,12,26]],"date-time":"2012-12-26T11:35:02Z","timestamp":1356521702000},"page":"35-55","source":"Crossref","is-referenced-by-count":3,"title":["Dataspaces Enhancing Decision Support Systems in Clouds"],"prefix":"10.4018","volume":"4","author":[{"given":"Michele","family":"Argiolas","sequence":"first","affiliation":[{"name":"Dipartimento di Ingegneria Civile, Universit\u00e0 degli Studi di Cagliari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maurizio","family":"Atzori","sequence":"additional","affiliation":[{"name":"Dipartimento di Matematica e Informatica, Universit\u00e0 degli Studi di Cagliari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicoletta","family":"Dess\u00ec","sequence":"additional","affiliation":[{"name":"Dipartimento di Matematica e Informatica, Universit\u00e0 degli Studi di Cagliari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barbara","family":"Pes","sequence":"additional","affiliation":[{"name":"Dipartimento di Matematica e Informatica, Universit\u00e0 degli Studi di Cagliari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"issue":"1","key":"jwp.2012040103-0","first-page":"3","article-title":"Data Management in the Cloud: Limitations and Opportunities.","volume":"32","author":"D.Abadi","year":"2009","journal-title":"Data Engineering Bulletin"},{"issue":"1","key":"jwp.2012040103-1","first-page":"13","article-title":"Deploying Database Appliances in the Cloud.","volume":"32","author":"A.Aboulnaga","year":"2009","journal-title":"A Quarterly Bulletin of the Computer Society of the IEEE Technical Committee on Data Engineering"},{"key":"jwp.2012040103-2","unstructured":"Apache Couchdb. 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