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SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
14 years 8 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...
ER
2004
Springer
119views Database» more  ER 2004»
14 years 1 months ago
Schema Evolution in Data Warehousing Environments - A Schema Transformation-Based Approach
Abstract. In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialised integrated database. The schemas of the data sources and the in...
Hao Fan, Alexandra Poulovassilis
VLDB
1992
ACM
116views Database» more  VLDB 1992»
14 years 15 days ago
Supporting Lists in a Data Model (A Timely Approach)
This paper considers the problem of adding list as a type constructor to an object-oriented data model. In particular, we are concerned with how lists in a database can be constru...
Joel E. Richardson
FPCA
1995
14 years 21 hour ago
Once Upon a Type
A number of useful optimisations are enabled if we can determine when a value is accessed at most once. We extend the Hindley-Milner type system with uses, yielding a typeinferenc...
David N. Turner, Philip Wadler, Christian Mossin
UM
2005
Springer
14 years 1 months ago
A Bayesian Approach to Modelling Users' Information Display Preferences
This paper describes the process by which we constructed a user model for ERST - an External Representation Selection Tutor - which recommends external representations (ERs) for pa...
Beate Grawemeyer, Richard Cox