Concept Based Design of Data Warehouses: The DWQ Demonstrators Matthias Jarke, Christoph Quix, Diego Calvanese, Maurizio Lenzerini, Enrico Franconi, Spyros Ligoudistiano, Panos Vassiliadis, and Yannis Vassiliou   View Paper (PDF)     View Demo (HTML)   Return to Demonstrations Abstract The ESPRIT Project DWQ (Foundations of Data Warehouse Quality) aimed at improving the quality of DW design and operation through systematic enrichment of the semantic foundations of data warehousing. Logic-based knowledge representation and reasoning techniques were developed to control accuracy, consistency, and completeness via advanced conceptual modeling techniques for source integration, data reconciliation, and multi-dimensional aggregation. This is complemented by quantitative optimization techniques for view materialization, optimizing timeliness and responsiveness without losing the semantic advantages from the conceptual approach. At the operational level, query rewriting and materialization refreshment algorithms exploit the knowledge developed at design time. The demonstration shows the interplay of these tools under a shared metadata repository, based on an example extracted from an application at Telecom Italia. References Note: References link to DBLP on the Web. [1] ... [2] ... [3] Matthias Jarke , Manfred A. Jeusfeld , Christoph Quix , Panos Vassiliadis : Architecture and Quality in Data Warehouses: An Extended Repository Approach. Information Systems 24(3) : 229-253(1999) [4] Dimitri Theodoratos , Timos K. Sellis : Data Warehouse Configuration. VLDB 1997 : 126-135 [5] Panos Vassiliadis : Modeling Multidimensional Databases, Cubes and Cube Operations. SSDBM 1998 : 53-62 BIBTEX @inproceedings{DBLP:conf/sigmod/JarkeQCLFLVV00,   author    = {Matthias Jarke and                 Christoph Quix and                 Diego Calvanese and                 Maurizio Lenzerini and                 Enrico Franconi and                 Spyros Ligoudistiano and                 Panos Vassiliadis and                 Yannis Vassiliou},    editor    = {Weidong Chen and                 Jeffrey F. Naughton and                 Philip A. Bernstein},    title     = {Concept Based Design of Data Warehouses: The DWQ Demonstrators},    booktitle = {Proceedings of the 2000 ACM SIGMOD International Conference on                 Management of Data, May 16-18, 2000, Dallas, Texas, USA},    journal   = {SIGMOD Record},    publisher = {ACM},    volume    = {29},    number    = {2},    year      = {2000},    isbn      = {1-58113-218-2},    pages     = {591},    crossref  = {DBLP:conf/sigmod/2000},    bibsource = {DBLP, http://dblp.uni-trier.de} } }, DiSC'01 Copyright ©2002 ACM Inc.