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Optimizing XML querying using type-based document projection
[article]
2011
arXiv
pre-print
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In this article, we propose a new approach, based on types, that greatly improves current solutions. ...
XML data projection (or pruning) is a natural optimization for main memory query engines: given a query Q over a document D, the subtrees of D that are not necessary to evaluate Q are pruned, thus producing ...
Even so, the use of type-based document projection often improves query answering time. ...
arXiv:1104.2079v1
fatcat:7mi5yj4zunhibm7isw7k7cvgyq
Optimizing XML querying using type-based document projection
2013
ACM Transactions on Database Systems
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In this article, we propose a new approach, based on types, that greatly improves current solutions. ...
XML data projection (or pruning) is a natural optimization for main memory query engines: given a query Q over a document D, the subtrees of D that are not necessary to evaluate Q are pruned, thus producing ...
A type projector for a given type describes a particular pruning for XML documents of that type, that is, a type driven projection: Definition 3.2 (Type Driven Projections). ...
doi:10.1145/2445583.2445587
fatcat:zas7c5zpn5evrh6lhq5hsab4bu
Inter-organizational Business Process Management with XML Nets
[chapter]
2003
Lecture Notes in Computer Science
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XML nets are based on GXSL, a novel graphical XML schema definition language, and its related graphical XML document manipulation language XManiLa. ...
Due to the fast growth of internet based electronic business activities, languages for modeling as well as methods for analyzing and executing distributed business processes are becoming more and more ...
The document of type planned project is deleted and a new document of type running project, including the department ID, is created. ...
doi:10.1007/978-3-540-40022-6_12
fatcat:ydmvipe6c5cu3cm22funuv4e3m
XML-Based Schemes for Business Project Portfolio Selection
[chapter]
2005
Lecture Notes in Computer Science
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This paper, however, provides several XML-based schemes for building efficient and flexible project portfolio selection systems based on an integrated portfolio selection model proposed. ...
Many methodologies have been introduced to deal with project portfolio selection problem including some techniques that help to evaluate individual projects, or to select a portfolio among available projects ...
We can use an HTTP/XML-based approach, and construct a document type definition (DTD) for data structures. ...
doi:10.1007/978-3-540-30537-8_28
fatcat:drc4t6i7ffd5feiton3pekpxke
Types and Constraints: From Relational to XML Data
[chapter]
2011
Lecture Notes in Computer Science
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These methods are all based on static type analysis. The aim of the article is to show how types rank before constraints for XML data processing and the presentation of each method is kept informal. ...
The goal of this article is to show that, in the context of XML data processing, information conveyed by schema or XML types is a powerful component to deploy optimization methods. ...
This work has been partially supported by the Codex ANR-08-DEFIS-004 project. ...
doi:10.1007/978-3-642-23441-5_3
fatcat:ymhwy4pgwzcbxcjtc6v26cv3gm
On View Transformation Support for a Native XML DBMS
[chapter]
2004
Lecture Notes in Computer Science
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In schema-based view transformation, users define view schema over sources to obtain view results. ...
XML is becoming the standard data exchange format. View transformation of XML data is important and frequent operation in XML data integration and publishing. ...
Most noticeably, our algorithm performs transformation for (a) Structural join cluster Paper and Researcher (b) Dupli-Merge based on Paper keys (c) Structural join cluster Paper and Project (d) Merge based ...
doi:10.1007/978-3-540-24571-1_20
fatcat:bldupun3pvb6xca63oyza6rrtm
A Java-based digital library portal for geography education
2004
Science of Computer Programming
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In addition to providing a flexible repository subsystem to accommodate metadata of different formats using XML and XML Schemas, G-Portal organizes metadata into projects and layers, and supports an integrated ...
G-Portal is a Java-based digital library system for managing the metadata of geography related resources on the Web. ...
Acknowledgements This work is funded by the SingAREN Project M48020004. ...
doi:10.1016/j.scico.2004.02.007
fatcat:fylc7vt6erg2xg3rppystfs6di
Object-Z web environment and projections to UML
2001
Proceedings of the tenth international conference on World Wide Web - WWW '01
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The projection techniques and tools from Object-Z (in XML) to UML (in XMI) are developed using XSL Transformations (XSLT). ...
This paper presents the XML/XSL approach to the development o f a w eb environment for the formal speci cation language Object-Z. ...
For example, the XSL codes for implementing inheritance expansion in Section 5 is based on the expand function de ned in Section 3.1 the XSLT codes for projecting Object-Z to UML in Section 6 is based ...
doi:10.1145/371920.372189
dblp:conf/www/SunDLW01
fatcat:rclu4onwyza4tmmarfa3h3o67e
XML-based information mediation for digital libraries
1999
Proceedings of the fourth ACM conference on Digital libraries - DL '99
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The architecture is based on XML-based modeling of metadata; use of an XML query language, and associated mediator middleware, to query distributed metadata sources; and the use of a storage system middleware ...
We demonstrate a prototype distributed architecture for a digital library, using technology being developed under the MIX Project at the San Diego Supercomputer Center (SDSC) and the University of California ...
ACKNOWLEDGMENTS The CDL/AMICO testbed is a joint project between SDSC and CDL and involves several other participants including, Joan Gargano, Robert Brandriff, and Ken Weiss, from CDL; Susan Jurist from ...
doi:10.1145/313238.313321
dblp:conf/dl/BaruCGLMPV99
fatcat:7ybk2xjfwjfyjg7aybnb5j4o2u
An XML metadata approach to seamless project information exchange between heterogeneous platforms
2003
Engineering Construction and Architectural Management
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of two demonstrators for XML based automated document exchange between a simulation of a Corporate Document Management System and a simulation of a Collaborative Construction Project Web Site. ...
This paper presents work undertaken within the project to investigate the various Metadata standards that exist in order to define a minimum Metadata set based on these standards for the implementation ...
The work presented within this paper is part of the ProCure ESPRIT project 29948 funded by the European Commission. ...
doi:10.1108/09699980310466604
fatcat:p3ikwqk4hrbujhqycjwsnbqhnq
Using XML in a compiler course
2004
Proceedings of the 9th annual SIGCSE conference on Innovation and technology in computer science education - ITiCSE '04
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We then goes on to demonstrate how XML was used in two recent compiler courses. Finally, we discuss the tradeoffs of using an XML-based project rather than a traditional programminglanguage project. ...
We make the case that XML and compilers have much in common, and that introducing XML into a compiler course makes sense. ...
However, the XML-based project emphasizes the same basic idea: traversing a parse tree and evaluating some property of the nodes. ...
doi:10.1145/1007996.1008001
dblp:conf/iticse/AdamsT04
fatcat:537kuez56jb33i4jgvvezkhgce
Using XML in a compiler course
2004
ACM SIGCSE Bulletin
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We then goes on to demonstrate how XML was used in two recent compiler courses. Finally, we discuss the tradeoffs of using an XML-based project rather than a traditional programminglanguage project. ...
We make the case that XML and compilers have much in common, and that introducing XML into a compiler course makes sense. ...
However, the XML-based project emphasizes the same basic idea: traversing a parse tree and evaluating some property of the nodes. ...
doi:10.1145/1026487.1008001
fatcat:7tlkf5kqlvfzhn3fnp3kium6zu
A Study of Language Usage Evolution in Open Source Software
[article]
2011
arXiv
pre-print
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In fact, a developer works with more than 5 different artefact types (or 4 different languages) in a project on average. ...
Based on the revision data of 22 OSS projects, we tracked the evolution of language usage and other artefacts such as documentation files, binaries and graphics files. ...
This could be related to more widespread adoption of XML standards and XML replacing Makefile based building environments.
Java Developers. ...
arXiv:1102.2262v1
fatcat:q6h4ym5mvbgv3ohkkoroayeguu
Discovering Semantics from Data-Centric XML
[chapter]
2013
Lecture Notes in Computer Science
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underlying XML schemas and data. ...
The Object-Relationship-Attribute model for Semi-Structured data (ORA-SS) model is a conceptual model intended to capture the semantics of object classes, object identifiers, relationship types, etc., ...
Otherwise, the root node will be returned by most LCA-based XML keyword search approaches [12] . ...
doi:10.1007/978-3-642-40285-2_10
fatcat:t32yhzs6bvdbzkunx4yd7ymx44
XML Schema-Based Minification for Communication of Security Information and Event Management (SIEM) Systems in Cloud Environments
2014
International Journal of Advanced Computer Science and Applications
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This paper discusses these techniques and proposes a new XML Schema-based Minification technique. The proposed technique works on XML Structure reduction using minification. ...
XML-based communication governs most of today's systems communication, due to its capability of representing complex structural and hierarchical data. ...
Based on the serialization type, communication can occur using shorter XML messages, or even shorter JSON messages. ...
doi:10.14569/ijacsa.2014.050912
fatcat:2dar4gpvzfdltfosyqky3qe65a
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