A Cooperative Semantic Caching Architecture For Answering Selection Queries
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A Cooperative Semantic Caching Architecture For Answering Selection Queries
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Author : Andrei Vancea
language : en
Publisher:
Release Date : 2009
A Cooperative Semantic Caching Architecture For Answering Selection Queries written by Andrei Vancea and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
A Cooperative Caching Architecture For Improving Database Queries
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Author : Andrei Aurel Vancea
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2014-07-02
A Cooperative Caching Architecture For Improving Database Queries written by Andrei Aurel Vancea and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-02 with Computers categories.
Client side caching is a commonly used technique for reducing the response time of database queries. Semantic caching is a database caching approach in which results of old queries are cached and used for answering new queries. A new query will be split in a part that retrieves the portion of the result, which is available in a local cache (probe query) and a query that retrieves missing n-tuples for the database server (remainder query). This approach is especially suited for low-bandwidth environments or when database server is under heavy load. Semantic caching was successfully applied for optimizing the execution of queries on mobile clients or over lousy-coupled wide-area networks. Peer-to-Peer(P2P) networks have been applied successfully for improving the performance of cache systems. This thesis aims to use a P2P approach in order to enhance the semantic caching technique. Therefore, The Cooperative Semantic Caching (CoopSC) approach extends the general semantic caching mechanism by using a P2P (Peer-to-peer) approach in order to enable clients to share their local semantic caches in a cooperative manner. When executing a query, the content of both the local semantic cache and entries stored in caches of other clients can be used. A new query will be split into a probe, remote probes, and a remainder query. The probe retrieves the part of the answer which is available in the local cache. Remote probes retrieve those parts of the query which are available in caches of other clients. The remainder retrieves the missing n-tuples from the server. In order to execute the query rewriting, the cache entries of all clients are indexed in a distributed data structure built on top of a P2P overlay that is formed by all clients which are interrogating a particular database server. The general cooperative semantic approach also contains a mechanism for handling operations that modify the content of the database. During this thesis, the general approach was applied in the context of two real-life use-cases: cloud-computing environments, and NetFlow-based network monitoring solutions. This thesis shows that a cooperative semantic caching approach is technical feasible and such an approach approach increases the performance of databases systems. Moreover, in the context of such an approach, update handling can be executed with a reasonable performance when read-intensive workloads are executed. Finally the general CoopSC approach presents economic advantages when used within cloud-computing environments and improves the performance of NefFlow-based network monitoring solutions.
Dependable Networks And Services
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Author : Ramin Sadre
language : en
Publisher: Springer
Release Date : 2012-05-31
Dependable Networks And Services written by Ramin Sadre and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-05-31 with Computers categories.
This book constitutes the refereed proceedings of the 6th IFIP WG 6.6 International Conference on Autonomous Infrastructure, Management, and Security, AIMS 2012, held in Luxembourg in June 2012. The 10 full papers presented were carefully reviewed and selected from 23 submissions. They cover autonomic and distributed management, network security, network monitoring, and special environments and Internet of Things. In addition, this book contains 9 workshop papers which were selected from 18 submissions. They deal with high-speed networks and network management, intrusion detection, and network monitoring and security.
Scalability Of Networks And Services
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Author : Ramin Sadre
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-06-15
Scalability Of Networks And Services written by Ramin Sadre and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-06-15 with Business & Economics categories.
This book constitutes the refereed proceedings of the Third International Conference on Autonomous Infrastructure, Management and Security, AIMS 2009, held in Enschede, The Netherlands, during June 30 - July 2, 2009 under the auspices of IFIP. The 12 revised full papers and three short papers presented together with 8 papers of the AIMS PhD workshop were carefully reviewed and selected from 28 submissions to the main conference and 15 papers for the PhD workshop respectively. The papers are organized in topical sections on network resource management, overlays and P2P networks, network configuration and optimization, as well as monitoring and visualization.
Information Search Integration And Personalization
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Author : Yuzuru Tanaka
language : en
Publisher: Springer
Release Date : 2013-07-18
Information Search Integration And Personalization written by Yuzuru Tanaka and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-18 with Computers categories.
This book constitutes the refereed post-proceedings of the 7th International Workshop on Information Search, Integration and Personalization, ISIP 2012, held in Sapporo, Japan, in October 2012. The 14 revised full papers presented were carefully reviewed and selected from 29 presentations. The papers are organized in topical sections on knowledge federation and integration; social system support and visualization; social information search and discovery.
Global Healthgrid
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Author : Tony Solomonides
language : en
Publisher: IOS Press
Release Date : 2008
Global Healthgrid written by Tony Solomonides and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Medical categories.
HealthGrid 2008 is the sixth conference in this series of open forums for the integration of grid technologies and its applications in the biomedical, medical and biological domains to pave the path to an international research area in healthgrids. The main objective of the HealthGrid conference and the HealthGrid Association is the exchange and discussion of ideas, technologies, solutions and requirements that interest the grid and the life-sciences communities to foster the integration of grids into health. Subjects in this publication reflect the diversity of mature practice: Advancing Virtual Communities, offering a glimpse of the kind of communities that are brought together by means of collaboration grids; Public Health Informatics, exploring the diffusion of grid concepts and technologies in health informatics; Translational Bioinformatics, the contact point between medicine, healthcare and genomics; and Knowledge Management and Decision Support, one direction that is confidently expected to grow as the synergy of grids and 'evidence-based practice' in healthcare is exploited.
Proceedings Of The International Conference On Information And Knowledge Management
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Author :
language : en
Publisher:
Release Date : 1999
Proceedings Of The International Conference On Information And Knowledge Management written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Database management categories.
Proceedings Of The Ifcis International Conference On Cooperative Information Systems
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Author :
language : en
Publisher:
Release Date : 1999
Proceedings Of The Ifcis International Conference On Cooperative Information Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Distributed databases categories.
Logics For Databases And Information Systems
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Author : Jan Chomicki
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Logics For Databases And Information Systems written by Jan Chomicki and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
Time is ubiquitous in information systems. Almost every enterprise faces the problem of its data becoming out of date. However, such data is often valu able, so it should be archived and some means to access it should be provided. Also, some data may be inherently historical, e.g., medical, cadastral, or ju dicial records. Temporal databases provide a uniform and systematic way of dealing with historical data. Many languages have been proposed for tem poral databases, among others temporal logic. Temporal logic combines ab stract, formal semantics with the amenability to efficient implementation. This chapter shows how temporal logic can be used in temporal database applica tions. Rather than presenting new results, we report on recent developments and survey the field in a systematic way using a unified formal framework [GHR94; Ch094]. The handbook [GHR94] is a comprehensive reference on mathematical foundations of temporal logic. In this chapter we study how temporal logic is used as a query and integrity constraint language. Consequently, model-theoretic notions, particularly for mula satisfaction, are of primary interest. Axiomatic systems and proof meth ods for temporal logic [GHR94] have found so far relatively few applications in the context of information systems. Moreover, one needs to bear in mind that for the standard linearly-ordered time domains temporal logic is not re cursively axiomatizable [GHR94]' so recursive axiomatizations are by necessity incomplete.
Semantic Applications
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Author : Thomas Hoppe
language : en
Publisher: Springer
Release Date : 2018-04-13
Semantic Applications written by Thomas Hoppe and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-13 with Computers categories.
This book describes methodologies for developing semantic applications. Semantic applications are software applications which explicitly or implicitly use the semantics, i.e. the meaning of a domain terminology, in order to improve usability, correctness, and completeness. An example is semantic search, where synonyms and related terms are used for enriching the results of a simple text-based search. Ontologies, thesauri or controlled vocabularies are the centerpiece of semantic applications. The book includes technological and architectural best practices for corporate use. The authors are experts from industry and academia with experience in developing semantic applications.