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view maintenance

Incremental View Maintenance: An Algorithmic Approach

Incremental View Maintenance: An Algorithmic Approach

... the view called delta propagation that can minimize the total size of base relations accessed by analysing the properties of base relations, they usually concentrate on cost of maintaining the ...incremental ...

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Quality metrics Validation in View Maintenance Models of Data Warehouse

Quality metrics Validation in View Maintenance Models of Data Warehouse

... is view maintenance models ...good view maintenance models, but objective indicators, ...quality view maintenance ...for View maintenance models of data warehouse ...

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An analysis of RDF view maintenance using Jena

An analysis of RDF view maintenance using Jena

... Resource Description Framework is a next generation technique to create web content. This has given rise to the need to develop efficient and effective techniques to manage high volume RDF structures. This paper deals ...

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Application of Clustering Algorithm CLOPE to the Query Grouping Problem in the Field of Materialized View Maintenance

Application of Clustering Algorithm CLOPE to the Query Grouping Problem in the Field of Materialized View Maintenance

... MV represents the pre-calculated results of the queries stored in the physical memory. Im- plementation of MV makes it possible to sig- nificantly reduce the query execution time by decreasing the number of calls to the ...

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Design and Implementation of Algorithms for Materialized View Selection and Maintenance in Data Warehousing Environment

Design and Implementation of Algorithms for Materialized View Selection and Maintenance in Data Warehousing Environment

... materialized view storage space and maintenance cost constraint thus proper materialized views selection is one of the intelligent decisions in designing a data warehouse to get optimal ...materialized ...

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Materialized View Selection for a Data Warehouse Using Frequent Itemset Mining

Materialized View Selection for a Data Warehouse Using Frequent Itemset Mining

... materialized view such as original base relation update frequencies and view maintenance costs which effect on the view selection process which can be considered as future ...

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Materialized View Selection and Preservation on Data centric Environment: A Survey

Materialized View Selection and Preservation on Data centric Environment: A Survey

... materialize(i.e., View selection problem), which takes in to account all the cost metrics associated with the materialized views selection, including query execution frequencies, base relation update frequencies, ...

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Incremental Processing and Optimization of Update Streams

Incremental Processing and Optimization of Update Streams

... In this chapter, we survey several important lines of related work for this dissertation. Generally, our related work falls into two categories: related systems (e.g., data stream management systems, rule-based active ...

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Total Quality Maintenance & Trouble Shooting: A Case Study

Total Quality Maintenance & Trouble Shooting: A Case Study

... current maintenance practices in both the private and government sectors would imply that maintenance is the actions associated with equipment repair after it is ...of view maintenance as ...

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An Association Rule Mining for Materialized View Selection and View Maintanance

An Association Rule Mining for Materialized View Selection and View Maintanance

... In this approach the set of SQL statements considered as workload which is selected to configure materialized views for partial materialization. This approach of ARMMVVM has two parts materialized view selection ...

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Online Full Text

Online Full Text

... Each vertical restraint has its own case study in many industries in the world such as tying agreement in the computer industry. This case study explains that any firms in this industry sell hardware and software as a ...

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Development of a new low-cost procedure for wind farm maintenance with a view to decrease soil pollution

Development of a new low-cost procedure for wind farm maintenance with a view to decrease soil pollution

... Multipliers are a major cause of failures in wind farms. In the present article, a clear relationship between the wind turbine power output and multiplier temperature was obtained. As a consequence, the implementation of ...

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NS7000 030 Field Service pdf

NS7000 030 Field Service pdf

... N N+1 redundancy 24 NS 7000/030 back view 2 drive drawer numbering field service information front view 2 HDDA monitoring board maintenance 43 power shelf 31 power supplies 24 power syst[r] ...

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Maintenance Strategy Selection for Several Components of LD Converter   A Case Study

Maintenance Strategy Selection for Several Components of LD Converter A Case Study

... suitable maintenance strategy for components of LD Converter in steel melting ...appropriate maintenance strategy is viability to good economic advantage of manufacturing ...appropriate maintenance ...

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PHONE CONTROL OPERATIONS MANUAL

PHONE CONTROL OPERATIONS MANUAL

... Use this option to consolidate into a schedule a previously constructed DID Group (Chapter 2, "DID Groups"), a defined Time Index (Chapter 4, "Time Indices"), and a Destination number. These entries ...

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Quality of life and well-being from the perspective of patients on opioid agonist maintenance treatment: study protocol for a systematic review of qualitative research and a scoping review of measures

Quality of life and well-being from the perspective of patients on opioid agonist maintenance treatment: study protocol for a systematic review of qualitative research and a scoping review of measures

... re- view of qualitative research to obtain a genuine under- standing of the perspective from users on opioid agonist maintenance treatments (OAMT) regarding their per- ception of well-being and quality of ...

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Maintenance: From Total Productive Maintenance to World Class Maintenance

Maintenance: From Total Productive Maintenance to World Class Maintenance

... computerized maintenance management system (CMMS) provides historic information for various types of work; availability of materials; costs by job, facility or type of work, and much ...for maintenance ...

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CD40 Ligand-Mediated Interactions Are Involved in the Generation of Memory CD8+ Cytotoxic T Lymphocytes  (CTL) but Are Not Required for the Maintenance of  CTL Memory following Virus Infection

CD40 Ligand-Mediated Interactions Are Involved in the Generation of Memory CD8+ Cytotoxic T Lymphocytes (CTL) but Are Not Required for the Maintenance of CTL Memory following Virus Infection

... bodies were detected with PE-streptavidin or RED670-streptavidin (both from GIBCO BRL). In experiments that involved costaining for BrdU, surface stain- ing was performed first and then the cells were washed, fixed, ...

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A Modernization Procedure for the Maintenance of Printing Machinery

A Modernization Procedure for the Maintenance of Printing Machinery

... Effective maintenance is a series of progressive steps to improve operational effectiveness and the key step in this process is the transition of pro-active ...their maintenance select and combine the ...

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A retrospective study of the clinical benefit from acetylsalicylic acid desensitization in patients with nasal polyposis and asthma

A retrospective study of the clinical benefit from acetylsalicylic acid desensitization in patients with nasal polyposis and asthma

... achieved maintenance therapy, 73% (n = 81) claimed symptom im- ...re- view of overall symptoms, quality of life, and reduced need for rescue therapy for upper and lower respiratory symp- ...ASA ...

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