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ICEIS
2003
IEEE
15 years 5 months ago
Formalizing Types with Ultimate Closure for Middleware Tools in Information Systems Engineering
: A definition of types in an information system is given from real-world abstractions through data constructs, schema and definitions to physical data values. Category theory su...
B. Nick Rossiter, David A. Nelson, Michael A. Heat...
KDD
2002
ACM
169views Data Mining» more  KDD 2002»
16 years 7 days ago
Optimizing search engines using clickthrough data
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...
Thorsten Joachims
EDBT
2010
ACM
125views Database» more  EDBT 2010»
15 years 3 months ago
A plan for OLAP
So far, data warehousing has often been discussed in the light of complex OLAP queries and as reporting facility for operative data. We argue that business planning as a means to ...
Bernhard Jaecksch, Wolfgang Lehner, Franz Faerber
CODES
2000
IEEE
15 years 4 months ago
Storage requirement estimation for data intensive applications with partially fixed execution ordering
In this paper, we propose a novel storage requirement estimation methodology for use in the early system design phases when the data transfer ordering is only partly fixed. At tha...
Per Gunnar Kjeldsberg, Francky Catthoor, Einar J. ...
CIKM
2009
Springer
15 years 6 months ago
A case study on model driven data integration for data centric software development
Model Driven Data Integration is a data integration approach that proactively incorporates and utilizes metadata across the data integration process. By decoupling data and metada...
Hyeonsook Kim, Ying Zhang, Samia Oussena, Tony Cla...