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SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
13 years 6 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
SYRCODIS
2008
120views Database» more  SYRCODIS 2008»
13 years 6 months ago
Efficient Implementation of XQuery Constructor Expressions
Element constructor is one of most expensive operations of the XQuery language as it requires deep copy of the nodes which make up the content of the constructed element. In this ...
Leonid Novak, Maxim Grinev, Ilya Taranov
SYRCODIS
2008
127views Database» more  SYRCODIS 2008»
13 years 6 months ago
On the Semantics of Updates in a Functional Language
Issues related to updating data in native XML database systems are studied extensively nowadays. In this work we consider a problem of updating typed XML documents having their sc...
Pavel Loupal
SYRCODIS
2008
136views Database» more  SYRCODIS 2008»
13 years 6 months ago
Stochastic Approach to Binary Matrix Partitioning for Phylogenetic Networks
In this research we introduce the problem of the binary matrix partitioning in a biological context. Our idea is to use SNP matrix to construct a set of phylogenetic networks to r...
Victoria Kusherbaeva, Nikolay Vyahhi
SYRCODIS
2008
138views Database» more  SYRCODIS 2008»
13 years 6 months ago
Co-evolution Model for Data Sources and Views
ETL process evolution is investigated below. A model-driven approach to templates and ETL process evolution problem is developed. We suppose that the ETL process evolution probain...
Alexander Dolnik, Sergei Syntulskiy
SYRCODIS
2008
141views Database» more  SYRCODIS 2008»
13 years 6 months ago
Personalization of XML Text Search via Search Histories
Full-Text XML search is a difficult problem due to its structural and textual constrains. The latter being individually well explored topics, lack mechanisms of integration with e...
Chernishev George
SYRCODIS
2008
95views Database» more  SYRCODIS 2008»
13 years 6 months ago
The Framework for Study Of Caching Algorithm Efficiency
In this paper we offer several models of reference sequences (traces of references) using Markov chains for testing of the replacement policies in caching systems. These models en...
Michael V. Grankov, Ngo Thanh Hung, Mosab Bassam Y...
SYRCODIS
2008
104views Database» more  SYRCODIS 2008»
13 years 6 months ago
Search Request Routing in Bittorrent and other P2P based File Sharing Networks
Existing p2p file sharing networks doesn't always give their users abilities to make an effective and fast searches for particular data. In this paper we introduce some impro...
Konstantin Scherbakov