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SXCCP+: Simple XML Concurrency Control Protocol for XML Database Systems

100%

Jankiewicz K.

Control and Cybernetics

2009

tom Vol. 38, no 1

215-237

Increasing significance and popularity of XML is the main reason why many commercial object-relational database management systems (ORDBMSs) developed XML storage and processing functionality. Additionally, there are new types of specialized database systems known as 'native' XML database systems. As we know, concurrency control is one of the most important mechanisms in DBMSs. Unfortunately, concurrency control mechanisms, which have been used so far in commercially available native XML DBMSs, offer very low degree of concurrency. The development of universal and effective concurrency control protocol for accessing XML data, with high degree of concurrency, is a necessary condition of the native XML database growth. The aim of this paper is to propose a new concurrency control protocol in XML document access. This protocol is based on primitive operations, which can be treated as a unification platform for any of the XML access methods.

Przegląd i analiza metod zarządzania współbieżnym dostępem do baz danych dokumentów XML

100%

Jankiewicz K.

Studia Informatica

2006

tom Vol. 27, nr 3

49-105

Dotychczasowe prace w zakresie przetwarzania dokumentów XML koncentrowały się na zagadnieniach: optymalizacja zapytań, transformacja dokumentów, sposoby przechowywania, kompresja dokumentów, normalizacja. Niewiele natomiast zrobiono w zakresie zapewnienia poprawności współbieżnego dostępu i aktualizacji dokumentów XML. Celem tego artykułu jest przegląd i analiza metod zarządzania współbieżnym dostępem do baz danych dokumentów XML.

Existing work on processing of XML documents has been concentrated on: query optimization, storage problems, documents transformation, compressing methods, normalization. There are only few papers concurrency control in accessing and modifying XML documents, which are stored in XML database systems. The aim of this paper is to present survey and analysis of concurrency control methods for XML database systems.

Transaction mechanisms in complex business processes

51%

Jankiewicz K. , Kujawiński K. , Mor M. , Morzy T.

Control and Cybernetics

2011

tom Vol. 40, no 3

605-625

The importance of systems based on the SOA architecture continues to grow. At the same time, in spite of the existence of many specifications which allow for the coordination of business processes functioning in the SOA environment, there is still lack of solutions that allow the use of system mechanisms of transaction processing. Such solutions should entail the simplification of construction of business processes without affecting their capabilities. This article presents a Transaction Coordinator environment, designed and implemented as a response to these needs.

Outcome of transobturator sling for treatment of female stress urinary incontinence applied as a single procedure or concomitantly with pelvic organ prolapse surgery

45%

Banas J. , Jankiewicz K. , Rechberger T. , Kolodynska A. , Bogusiewicz M.

Annals of Agricultural and Environmental Medicine

2023

tom 30

nr 1