... systems support updates operations via special APIs. In all update languages the content and the structure of documents can be ... the XML schema after or during accomplishing an update. In this article, we suggest different architectures for processing such ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
... This aspect has been acknowledged and long studied in the field of temporal databases but it truly applies also to the World Wide ... a primary issue yet. However, several papers addressing, in an explicit or implicit way, the representation and management of time and ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... errors and thus data structures must change accordingly in order to address the new requirements. A consequence of schema evolution is ...
Publication - cat - 04/17/2013 - 12:27 - 0 comments - 0 attachments
... as a standard format for data representation on the web. In many application domains, specific document type definitions (DTDs) are ... a semantically agreed-upon structure of the XML documents. In XML context, these structural definitions serve as schemata. However, both ...
Publication - cat - 04/17/2013 - 09:16 - 0 comments - 0 attachments
... and XQuery using the XML data type introduced by SQL/XML. In this tutorial we focus on DB2s XML support for schema evolution, especially ...
Publication - cat - 04/17/2013 - 08:16 - 0 comments - 1 attachment
... as a data exchange format or it is used for data storage in database systems and distributed information systems. While the usage of ...
Publication - cat - 04/17/2013 - 07:38 - 0 comments - 0 attachments
... XML documents that satisfy a given schema, e.g., a DTD. In this context, when a given update violates the schema, it might be the ... to be used by a data administrator who is an expert in the domain of application of the database, but who is not required to be a ...
Publication - cat - 04/17/2013 - 07:27 - 0 comments - 0 attachments
... according to customers’ needs and requirements. In this paper we introduce the concept of service evolution management, which ...
Publication - erhard - 04/17/2013 - 06:05 - 0 comments - 0 attachments
... would require a coordinated effort not easily achievable in practice. On the other hand, spontaneous communities, based on social ...
Publication - krlis1337 - 04/17/2013 - 04:27 - 0 comments - 0 attachments
... must thus be created manually on a case-by-case basis. In this paper, we explore the problem of how to automate the transformation of ...
Publication - cat - 04/16/2013 - 22:27 - 0 comments - 1 attachment
... level, require modifications of the data schemas in the course of time. Schema evolution is one of the ways to support schema ... problem for which is also known as schema adaptation. In this paper, a survey of various approaches to solving the outlined problems ...
Publication - erhard - 04/16/2013 - 20:05 - 0 comments - 0 attachments
... UML and XML are two of the most commonly used languages in software engineering processes. One of the most critical of these processes ... are incrementally updated according to the changes in the conceptual model (expressed as a UML class model). In this framework, we ...
Publication - jlloret - 04/16/2013 - 15:05 - 0 comments - 0 attachments
... We consider the problem of XML Schema evolution. In the ever-changing context of the web, XML schemas continuously change in order to cope with the natural evolution of the entities they describe. ...
Publication - cat - 04/16/2013 - 11:49 - 0 comments - 0 attachments
... Proc. 3rd ER-Workshop Evolution and Change in Data Management (ECDM 2004), LNCS 3289 ... 1 - 9 One of the main challenges in data integration systems is the maintenance of the mappings between the ...
Publication - cat - 04/16/2013 - 08:49 - 0 comments - 0 attachments
... using conventions on version numbers and namespaces. In all cases, the compatibility among services description must be evaluated, ... performed manually, particularly for complex descriptions. In this paper, we describe a method to automatically determine when two service ...
Publication - KarinBecker - 04/16/2013 - 08:27 - 0 comments - 0 attachments
... or changing parts of the language. Making versioning work in practice is one of the most difficult problems in computing, with a long history of failed attempts. Arguably one reason why ...
Publication - cat - 04/16/2013 - 05:05 - 0 comments - 0 attachments
... time-varying XML documents or for a time-varying schema. In previous work we introduced τXSchema, which is an infrastructure and suite ... documents, without requiring any changes to XML Schema. In this paper we extend τXSchema to support versioning of the schema itself. ...
Publication - cat - 04/16/2013 - 02:16 - 0 comments - 0 attachments
... There is much current interest in publishing and viewing databases as XML documents. The general benefits of ... for visualizing and processing information encoded in this universal standard. In this paper, we explore the additional and unique ...
Publication - cat - 04/16/2013 - 02:16 - 0 comments - 0 attachments
Authors: Hartung, M.; Terwilliger, J.; Rahm, E. Author: Hartung, M ...
Publication - hartung - 04/16/2013 - 02:05 - 0 comments - 0 attachments
... versioning, respectively, then lists design decisions made in XSchema concerning that challenge. Theoretical considerations (separately ... considerations, and implementation details are discussed in that order in each of the two parts. Each part ends with full example ...
Publication - cat - 04/16/2013 - 01:49 - 0 comments - 1 attachment
... works only with one version of the schema, and (b) those in which the old data must be preserved and instance transformation must be avoided. The latter is important in practice but has received scant attention in the literature. Data conforming ...
Publication - cat - 04/16/2013 - 00:05 - 0 comments - 0 attachments
... are designed for loosely coupled systems, which means that in many cases it is not possible to synchronously upgrade all peers of a Web ... Instead, Web Service peers should be able to coexist in different versions. Additionally, older software versions often could ...
Publication - cat - 04/15/2013 - 23:49 - 0 comments - 0 attachments
... IEEE 11th Int. Workshop on Research Issues in Data Engineering (RIDE) URL: ... as a standard format for data representation on the web. In many applications, specific document type definitions (DTDs) are designed to ...
Publication - cat - 04/15/2013 - 23:49 - 0 comments - 0 attachments
... 583.01 KB In our emerging digital paper-less society, massive amount of information is being maintained in on-line repositories and diverse web site representations of this ... two representative sample applications with such needs. In this paper we present a database-centric approach called Re-Web that ...
Publication - cat - 04/15/2013 - 22:16 - 0 comments - 1 attachment
... concerning all these subtasks. It is implemented in a tool called CoDEX (Conceptual Design and Evolution of XML schemas). ...
Publication - hartung - 04/15/2013 - 20:49 - 0 comments - 0 attachments
