XML query processing indices and histograms

... index structures for XML query processing Summary data, or histograms, on XML documents can provide critical information for query optimizers of XML databases Traditional histograms for relational ... keyword 15 XML Query VALUE Figure 1.1: An Example XML Data Model 1.2 The XPath Query Language A variety of query languages [1, 2, 3, 4, 5] have been proposed to query X...

Ngày tải lên: 16/09/2015, 17:11

... of XML databases 2.1 Query processing over XML tree Twig pattern matching over tree-modeled XML data attracts the most research interests in XML query processing Generally, twig pattern matching ... Because in most algorithms, each relevant inverted list is scanned in a streaming fashion during query processing, inverted list in XML twig pattern query processin...

Ngày tải lên: 10/09/2015, 15:51

... ii Parallel Query Processing Using Shared Memory Multiprocessors and Disk Arrays Wei Hong Computer Science Division Department of Electrical Engineering and Computer Science ... of database query processing is to nd the cheapest and fastest query plan 1.1.1 Conventional Query Processing Conventional query processing assumes a uniprocessor environment and...

Ngày tải lên: 28/04/2014, 13:32

... challenges in distributed systems and provide background of complex query processing and failure recovery in distributed systems Finally, we outline the objectives of this thesis and provide an outline ... computation results In this thesis, we mainly focus on two challenging issues in distributed systems: complex query processing and fault tolerance 1...

Ngày tải lên: 08/09/2015, 15:18

... optimal query class is essentially enlarged 1.6 Contribution The main contributions of this thesis are in two areas: enhancement of the similarity query and the twig pattern query on XML data The contribution ... Representation of DOM Model of XML Data In order to research the characteristics of XML data, we need the formalized data model In this thesis, XML...

Ngày tải lên: 12/09/2015, 10:37

... 20 Human Motion Sequences 20 2.1.1 Feature extraction of human motion sequences 21 2.1.2 Matching human motion sequences 21 Distance Measures of Time ... the problems of efficient and effective query processing of complex spatio-temporal sequences Our solutions on subsequence matching and subsequence join techniques over human motion sequences can ......

Ngày tải lên: 14/09/2015, 14:05

... conventional data and social networking data is that conventional data focuses on entities and attributes, whereas social networking data focuses on entities and their inter-relationships Therefore, the ... models, query languages and access methods not offer adequate and native support for the representation, management, querying and especially inter-operabilit...

Ngày tải lên: 04/10/2015, 10:24

... ONLY Module 9: Processing Dimensions and Cubes Overview Topic Objective To provide an overview of the module topics and objectives ! Processing Dimensions ! Processing Cubes ! Optimizing Cube Processing ... ONLY Module 9: Processing Dimensions and Cubes vii Module Strategy Use the following strategy to present this module: ! Introducing Dimension and...

Ngày tải lên: 18/01/2014, 05:20

... GL 32-1999 GUIDELINES FOR THE PRODUCTION, PROCESSING, LABELLING AND MARKETING OF ORGANICALLY PRODUCED FOODS GL 32–1999 FOREWORD These guidelines have been prepared for the purpose of providing ... approach to the requirements which underpin production of, and the labelling and claims for, organically produced foods The aims of these guide...

Ngày tải lên: 14/02/2014, 03:20

... GL 32-1999 GUIDELINES FOR THE PRODUCTION, PROCESSING, LABELLING AND MARKETING OF ORGANICALLY PRODUCED FOODS GL 32–1999 FOREWORD These guidelines have been prepared for the purpose of providing ... approach to the requirements which underpin production of, and the labelling and claims for, organically produced foods The aims of these guide...

Ngày tải lên: 18/02/2014, 07:20

... AmbientDB: relational query processing in a P2P network In Proceedings of the International Workshop on Databases, Information Systems and Peer-to-Peer Computing (DBISP2P), LNCS 2788, Springer Verlag ... Queries and Query Optimization in Schema-Based P2P- Systems In Proceedings of the International Workshop on Databases, Information Systems and Peer-to-Peer Computing (D...

Ngày tải lên: 19/02/2014, 12:20

... decrease of activity of C5a peptidase at temperatures above 43 °C is associated with the beginning of thermal unfolding Kinetic parameters of C5a peptidase: hydrolysis of peptide and pNA substrates ... available for C5a peptidase from pathogenic Streptococcus pyogenes One of the aims of this study was to map the prosequence region of C5a peptidase a...

Ngày tải lên: 08/03/2014, 16:20

... exaggerated forms, and why artists and scientists have often considered truth and beauty as two sides of the same coin Processing Fluency The Concept of Processing Fluency The processing of any stimulus ... instead from the processing experiences of the perceiver Is beauty therefore in the eye of the beholder? In a sense it is, if folk wisdom thinks...

Ngày tải lên: 16/03/2014, 18:20

... http://www.w3.org 18 Android – Reading XML Files XML Data How is XML used? – Employee Example Microsoft XML Notepad XML Data 18 Android – Reading XML Files Example Employee .xml < ?xml version="1.0" ... android: layout_gravity="center" android: layout_width="wrap_content" android: text="Read XML data" android: id="@+id/btnReadXml" />

Ngày tải lên: 16/03/2014, 23:40