Consistency of Temporal XML Documents

Campo, Marcela; Vaisman, Alejandro

doi:10.1007/11841920_3

Cited by 4 publications

(8 citation statements)

References 10 publications

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“…Other works have addressed the problem of maintaining the consistency of conventional XML documents, like Pardede et al (2008) and temporal XML documents, like Campo and Vaisman (2006), when they are updated, with regard to the XML constraints specified on data. As for Pardede et al (2008), they have proposed XML update methodologies that preserve various XML data constraints (i.e., schema) and avoid data inconsistencies during update operations.…”

Section: Related Work Discussionmentioning

confidence: 99%

A systematic approach to efficiently managing the effects of retroactive updates of time-varying data in multiversion XML databases

Hamrouni

Brahmia

Bouaziz

2018

IJIIDS

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A retroactive update is an update that changes a past data. It is a common operation in both conventional and temporal databases. However, in temporal databases, a retroactive update is challenging since it could lead to data inconsistencies if the retroactively updated data were used for creating other data (like social contributions and taxes which are calculated based on the salaries of the employees). Such data inconsistencies must be repaired in order to preserve the database consistency. In this paper, we extend our previous approach on detecting and repairing automatically data inconsistencies that result from retroactive updates of multiversion temporal XML databases. The extension consists in: 1) providing an enhanced version of the architecture of our approach and explaining the process of handling a retroactive update; 2) showing how to extract data dependencies and how to use them in order to repair detected inconsistencies; 3) proposing a new log structure ensuring a complete and useful history of the executed transactions; 4) presenting a tool, named Retro-Update-Manager, that we have developed to prove technically our approach.Reference to this paper should be made as follows: Hamrouni, H., Brahmia, Z. and Bouaziz, R. (2018) 'A systematic approach to efficiently managing the effects of retroactive updates of time-varying data in multiversion XML databases', Int.

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Section: Related Work Discussionmentioning

confidence: 99%

A systematic approach to efficiently managing the effects of retroactive updates of time-varying data in multiversion XML databases

Hamrouni

Brahmia

Bouaziz

2018

IJIIDS

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“…Other proposals (Amagasa et al 2000;Campo and Vaisman 2006;Rizzolo and Vaisman 2008;Zaniolo 2002, 2003) consider issues related to the time in the XML context. In particular, in Campo and Vaisman (2006), Rizzolo and Vaisman (2008) the authors also deal with the problem of tackling consistency in temporal XML documents.…”

Section: Discussionmentioning

confidence: 99%

“…In particular, in Campo and Vaisman (2006), Rizzolo and Vaisman (2008) the authors also deal with the problem of tackling consistency in temporal XML documents. XML documents are semistructured in nature, but present different features to deal with.…”

Section: Discussionmentioning

confidence: 99%

“…At the best of our knowledge, the issue related to the definition of the set of constraints needed to manage together and in a correct way both transaction and valid times has not been yet extensively considered in the literature, and the few papers dealing with the consistency of temporal XML documents (Campo and Vaisman 2006;Rizzolo and Vaisman 2008) focused on transaction time.…”

Section: Background and Motivationmentioning

confidence: 99%

“…The authors' approach for modeling valid time consistency of XML data is limited to manage a sequenced semantics (Snodgrass 2000) of XML data: a graph representing a temporal XML document is a compact representation of several snapshot graphs, each of them representing the XML document valid at a specific time point. In this direction, in Campo and Vaisman (2006), the authors deal with inconsistencies in temporal XML documents where transaction time is represented: more precisely, they consider how to manage inconsistencies arising from temporal XML documents, when transaction times of containment edges are not able to properly represent time varying (well formed) XML documents. In a recent work (Rizzolo and Vaisman 2008), the authors propose a data model for representing temporal information in XML documents and study the related temporal constraints.…”

Section: Related Work: Temporal Data Modelsmentioning

confidence: 99%

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Modeling temporal dimensions of semistructured data

2011

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In this paper we propose a graph-based generic model able to uniformly represent semistructured data and their temporal aspects. In particular, we start from a generic and expressive model proposed in the database literature and consider in a formal and systematic way both valid time and transaction time, together with the set of temporal constraints needed to correctly manage the semantics of the represented time dimension. We then propose operations, which allow the incremental management of the proposed model satisfying the introduced temporal constraints. Moreover, we also deal with the possibility of managing together the two classical time dimensions of valid and transaction times, and formalize the set of constraints needed to correctly handle these temporal aspects together. Some examples taken from a medical scenario will be used to describe the introduced concepts.

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Temporal XML Index Schema

Luo²,

Zhong³

2010

Temporal Information Processing Technology and Its Application

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Consistency of Temporal XML Documents

Cited by 4 publications

References 10 publications

A systematic approach to efficiently managing the effects of retroactive updates of time-varying data in multiversion XML databases

A systematic approach to efficiently managing the effects of retroactive updates of time-varying data in multiversion XML databases

Modeling temporal dimensions of semistructured data

Temporal XML Index Schema

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