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SIGMOD
2006
ACM
112views Database» more  SIGMOD 2006»
12 years 6 months ago
Join minimization in XML-to-SQL translation: an algebraic approach
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...
Murali Mani, Song Wang, Daniel J. Dougherty, Elke ...
BTW
2007
Springer
164views Database» more  BTW 2007»
12 years 24 days ago
Integrating Structural Joins into a Tuple-Based XPath Algebra
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which deļ¬nes the tran...
Christian Mathis
BNCOD
1997
76views Database» more  BNCOD 1997»
11 years 8 months ago
Query Evaluation in CROQUE - Calculus and Algebra Coincide
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
Torsten Grust, Joachim Kröger, Dieter Gluche,...
XSYM
2009
Springer
264views Database» more  XSYM 2009»
12 years 1 months ago
From Entity Relationship to XML Schema: A Graph-Theoretic Approach
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
Massimo Franceschet, Donatella Gubiani, Angelo Mon...
ESOP
2007
Springer
12 years 23 days ago
CC-Pi: A Constraint-Based Language for Specifying Service Level Agreements
Abstract. Service Level Agreements are a key issue in Service Oriented Computing. SLA contracts specify client requirements and service guarantees, with emphasis on Quality of Serv...
Maria Grazia Buscemi, Ugo Montanari
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