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MQL: a powerful extension to OCL for MOF queries
Seventh IEEE International Enterprise Distributed Object Computing Conference, 2003. Proceedings., 2004The Meta-Object Facility (MOF) provides a standardized framework for object-oriented models. An instance of a MOF model contains objects and links whose interfaces are entirely derived from that model. Information contained in these objects can be accessed directly, however, in order to realize the Model-Driven Architecture@trade; (MDA), we must have a
Hearnden, David +2 more
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ACM SIGMOD Record, 1991
1.1 A Perspective on Data Management Data management is considered here to involve the collection, maintenance, and manipulation of data for the purposes of current and potential operational and decision support. Typically the data would be organized into one or more fries where at least one frie would vary in size.
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1.1 A Perspective on Data Management Data management is considered here to involve the collection, maintenance, and manipulation of data for the purposes of current and potential operational and decision support. Typically the data would be organized into one or more fries where at least one frie would vary in size.
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Application of MQL in Engine Manufacturing
2015Minimum quantity lubricant (MQL) now becomes a development direction of mechanical manufacturing technology, for its advantages in environmental protection, cost and occupational health. It introduces application of MQL in the field of car engine manufacturing, and especially analyzes difficulties in application in manufacturing of key parts of engine.
Yonghong Wu +5 more
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MQL: An Algebraic Query Language for Knowledge Discovery
2003MQL is a system supporting the process of Knowledge Discovery. The central step of knowledge discovery, i.e. the application and combination of data mining steps, is expressed via queries written in an algebraic query language. The query processing engine exploits an XML based representation of queries and data mining models to favor the ...
BAGLIONI M, TURINI, FRANCO
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1993
Im folgenden wird die MQL-Algebra vorgestellt, mit deren Hilfe die Semantik von MQL-Anfragen formal definiert werden kann. Nur eine solche formale Grundlage ermoglicht es, die Bedeutung einzelner Sprachkonstrukte vollstandig zu fassen und die Korrektheit von Aquivalenzbetrachtungen wirklich nachzuweisen.
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Im folgenden wird die MQL-Algebra vorgestellt, mit deren Hilfe die Semantik von MQL-Anfragen formal definiert werden kann. Nur eine solche formale Grundlage ermoglicht es, die Bedeutung einzelner Sprachkonstrukte vollstandig zu fassen und die Korrektheit von Aquivalenzbetrachtungen wirklich nachzuweisen.
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2018
The application of emulsion for combined heat extraction and lubrication requires continuous monitoring of quality of the emulsion to sustain the desired machining environment. To sustain a controlled machining environment, it is necessary to adopt an effectively lubricated tool–work interface.
J. N. Rohit +4 more
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The application of emulsion for combined heat extraction and lubrication requires continuous monitoring of quality of the emulsion to sustain the desired machining environment. To sustain a controlled machining environment, it is necessary to adopt an effectively lubricated tool–work interface.
J. N. Rohit +4 more
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Progress and trend of minimum quantity lubrication (MQL): A comprehensive review
Journal of Cleaner Production, 2023Niancong Liu
exaly
Auswertung von MQL-Algebra-Ausdrücken
1993Im vorigen Kapitel wurde die MQL-Algebra eingefuhrt. Es wurde gezeigt, wie MQL-Anfragen (SELECT-Anweisungen) in Ausdrucke der MQL-Algebra uberfuhrt werden konnen. Auserdem wurden Aquivalenzen zwischen Ausdrucken aufgezeigt. Diese konnen benutzt werden, um Ausdrucke umzuformen, so das sie effizienter bearbeitet werden konnen. Bis jetzt wurde allerdings
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