... and analysis. Even a simple query requires significant programming expertise. Missing the support of declaratively query language and the inability of expressing join operations have been always considered main limitations of these systems that also prevent applying efficient query optimization techniques...

...Turkka Näppilä; Katja Moilanen; Timo Niemi Purpose The purpose of this paper is to introduce an expressive query language, called relational XML query language (RXQL), capable of dealing with heterogeneous Extensible Markup Language (XML) documents in data‐centric applications. In RXQL, data...

... 2010 Extensible Markup Language Data compression Data collection Query languages Owing to the technical advances in microprocessor technology, wireless sensor networks (WSNs) have become an important research topic in many fields of computer science. WSNs generally consist of many...

... have a drawback that they could generate very large (unused) intermediate results from the individual binary pattern matches even though the input and final result sizes are much more manageable. © Emerald Group Publishing Limited 2009 Databases Query languages Extensible Markup Language...

... with the highest density (Figure 3). Extensible markup language Databases Query Languages XML has become the universal data exchange format for integrating and exchanging data over intranets and the internet. The problem of efficiently managing and querying XML documents poses interesting challenges...

... match queries; and 2. they support efficient retrieval of portions of documents only for structurally homogeneous collections. Extensible markup language Query languages Information retrieval Indexing Modelling As to point (1), this means that the user must know the structure...

...> and Ke Geng can be contacted at: kgen005@ec.auckland.ac.nz © Emerald Group Publishing Limited 2008 Programming languages Optimization techniques Query languages Extensible markup language Query transformation (Ahmed et al., 2006) is an important branch of semantic query...

... Group Publishing Limited 2008 Computer software Query languages Semantics By many reasons, users often enter simple queries that include only the core of keywords rather than the whole keyword phrase. This sometimes causes difficulties for information retrieval system in progress...

... of methods: structural joins vs holistic twig joins. Extensible Markup Language Systems and control theory Programming and algorithm theory Query languages With the ever‐increasing popularity of XML, there is a concomitant increase in the need for efficiently managing and querying large...

...., 2006)). © Emerald Group Publishing Limited 2007 Extensible Markup Language Tree data structures Algorithmic languages Query languages XML has emerged as the de facto standard for the representation and interchange of data/information especially on the world wide web...