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» Declarative Data Cleaning: Language, Model, and Algorithms
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WWW
2001
ACM
14 years 8 months ago
XML Query Forms (XQForms): Declarative Specification of XML Query Interfaces
XQForms is the first generator of Web-based query forms and reports for XML data. XQForms takes as input (i) XML Schemas that model the data to be queried and presented, (ii) decl...
Michalis Petropoulos, Vasilis Vassalos, Yannis Pap...
SIGMOD
1993
ACM
93views Database» more  SIGMOD 1993»
13 years 11 months ago
Design and Implementation of the Glue-Nail Database System
We describe the design and implementation of the Glue-Nail database system. The Nail language is a purely declarative query language; Glue is a procedural language used for nonque...
Marcia A. Derr, Shinichi Morishita, Geoffrey Phipp...
ICALP
2005
Springer
14 years 1 months ago
Tight Lower Bounds for Query Processing on Streaming and External Memory Data
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
Martin Grohe, Christoph Koch, Nicole Schweikardt
ENTCS
2008
116views more  ENTCS 2008»
13 years 7 months ago
Phil: A Lazy Implementation of a Language for Approximate Filtering of XML Documents
In this paper, we introduce a system, written in Haskell, for filtering information from XML data. Essentially, the system implements a simple declarative language which allows on...
Michele Baggi, Demis Ballis
PADL
2009
Springer
14 years 8 months ago
Ad Hoc Data and the Token Ambiguity Problem
Abstract. PADS is a declarative language used to describe the syntax and semantic properties of ad hoc data sources such as financial transactions, server logs and scientific data ...
Qian Xi, Kathleen Fisher, David Walker, Kenny Qili...