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Topic: Locality principle


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  Principle of Locality   (Site not responding. Last check: 2007-10-17)
An implication of locality is that we can predict with reasonable accuracy what instructions and data a program will use in the near future based on its accesses in the recent past.
locality: states that recently accessed items are likely to be accessed in the near future.
locality: says that items whose addresses are near one another tend to be referenced close together in time.
www.cs.iastate.edu /~prabhu/Tutorial/CACHE/pr_locality.html   (119 words)

  
 Locality - Wikipedia, the free encyclopedia
Specifically, the term "locality" is used by the United States Board on Geographic Names to refer to the name of a place that is neither a legally incorporated or defined entity (like a township or city), nor a specific geographical feature such as a river or mountain.
In statistics, locality is used to mean the central tendency of a data set.
While conventional measures of locality, such as arithmetic mean are often seen as the most straightforward way to describe locality, they are very sensitive to outliers.
en.wikipedia.org /wiki/Locality   (258 words)

  
 Encyclopedia: Principle of locality   (Site not responding. Last check: 2007-10-17)
Maxwells equations are the set of four equations, attributed to James Clerk Maxwell (written by Oliver Heaviside), that describe the behavior of both the electric and magnetic fields, as well as their interactions with matter.
The Bohm interpretation of quantum mechanics, sometimes called the Causal interpretation, or Ontological interpretation, is an interpretation postulated by David Bohm in which the existence of a non-local universal wavefunction (Schrödinger equation) allows distant particles to interact instantaneously.
In quantum mechanics, a local hidden variable theory is one in which distant events are assumed to have no instantaneous effect on local ones.
www.nationmaster.com /encyclopedia/Principle-of-locality   (1376 words)

  
 Principle of locality - Wikipedia, the free encyclopedia
This article is about the principle of locality in physics.
Every theory that, like quantum mechanics, is compatible with violations of Bell's inequalities must abandon local realism.
Such phenomena have never been seen, and they are not predicted by the current theories (with the possible exception of the Bohm theory).
en.wikipedia.org /wiki/Principle_of_locality   (652 words)

  
 Locality of reference   (Site not responding. Last check: 2007-10-17)
In computer science, locality of reference, sometimes also called the principle of locality, is a concept which deals with the process of accessing a single resource multiple times.
Increasing and exploiting locality of reference are common techniques for optimization.
A cache is a simple example of exploiting temporal locality, because it is a specially designed faster but smaller memory area, generally used to keep recently referenced data and data near recently referenced data, which can lead to potential performance increases.
www.serebella.com /encyclopedia/article-Locality_of_reference.html   (680 words)

  
 EPR paradox - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-17)
The principle of locality states that physical processes occurring at one place should have no immediate effect on the elements of reality at another location.
However, the principle of locality appeals powerfully to physical intuition, and Einstein, Podolsky and Rosen were unwilling to abandon it.
In the many-worlds interpretation, locality is preserved, and the effects of the measurements arise from the splitting of the observers into different "histories".
www.incywincy.com /default?catid=204818&cached=en.wikipedia.org/wiki/EPR_paradox   (2724 words)

  
 [No title]
Commonly, that principle is cited only in terms of its first element, and even that is often misquoted as "equal pay for equal work." However, as the fuller text indicates, the conception of merit includes considering the pay offered by employers outside the Federal Government, and thus comprises the principle of external equity.
Locality payments, which are calculated to one one-hundredth of one percent, are based on surveys of salaries in each locality pay area.
Principles such as equity, procedural justice, and openness are essential to a sound public service.
www.opm.gov /flsa/strategiccomp/whtpaper.txt   (18903 words)

  
 The Einstein-Podolsky-Rosen Argument in Quantum Theory (Stanford Encyclopedia of Philosophy)
For it is locality that enables one to overcome the incompatibility of position and momentum measurements of Albert's system by requiring their joint consequences for Niels' system to be incorporated in a single, stable reality there.
Locality is critical in guaranteeing that simultaneous position and momentum values can be assigned to the unmeasured system even though position and momentum cannot be measured simultaneously on the other system.
To go back to the EPR dilemma between locality and completeness, it would appear from the Bell theorem that Einstein's strategy of maintaining locality, and thereby concluding that the quantum description is incomplete, may have fixed on the wrong horn.
plato.stanford.edu /entries/qt-epr   (7636 words)

  
 Which Church Should I Join? Biblocality
The various churches in the different localities of that province could not be combined to form one church, so the record in Acts terms them the churches throughout Judea.
The boundary of a local assembly prevents denominations from usurping themselves and expanding beyond the border of a locality.
The purpose of this principle of locality is that anything larger than a local church automatically becomes a divisive denomination for some doctrine or person or national church which would comprise God’s Word.
www3.telus.net /trbrooks/whichchurch.htm   (2718 words)

  
 The Devilfinder Search Engine - Principle of Locality - Finding Stuff Since 1979.   (Site not responding. Last check: 2007-10-17)
Local realism is the combination of the principle of locality with the assumption that all objects must objectively have their properties already before...
The purpose of incorporating the principle of locality is to increase the...
Principle of locality: The tiles in the surrounding.
www.devilfinder.com /find.php?q=Principle+of+Locality   (5050 words)

  
 [No title]
Instructions in recursive or utility functions tend to be repeatedly referenced.
Spatial Locality - if an item is referenced, then items whose addresses are close by will tend to be referenced soon
Instructions are accessed sequentially (unless there is a transfer of control).
www.cs.fsu.edu /~hawkes/cda3101lects/chap7/locality.htm   (82 words)

  
 Locality of reference   (Site not responding. Last check: 2007-10-17)
In computer science locality of reference sometimes also called the principle of locality is a concept which deals with process of accessing a single resource multiple There are two basic types of locality reference: temporal and spatial:
Increasing and exploiting locality of reference are techniques for optimization.
Finally temporal locality plays role on the highest level since results are referenced very closely together can be in a register.
www.freeglossary.com /Locality_of_reference   (520 words)

  
 Maximize locality when setting up a SAN
If the three guiding principles in real estate are 'location, location, location,', the guiding principles in designing a SAN are 'locality, locality, locality.' Because high locality produces significant cost savings and performance improvements, it is worth setting up a SAN to maximize locality.
Locality refers to localizing SAN traffic on a single switch or in one area of a SAN.
The guiding principle of locality is that as much as possible all the storage traffic between a server or a group of servers should flow through only one switch.
searchstorage.techtarget.com /tip/0,289483,sid5_gci876429,00.html   (885 words)

  
 Localities - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-10-17)
California Gold Camps: A Geographical and Historical Dictionary of Camps, Towns, and Localities Where Gold Was Found and Mined, Wayside Stations and
Desert gem trails: A field guide to the gem and mineral localities of the Mojave Desert, Colorado Desert, and adjacent areas of Nevada and Arizona
Famous Mineral Localities: THE RIST AND ELLIS TRACTS HIDDENITE NORTH CAROLINA.
encyclopedia.worldsearch.com /localities.htm   (366 words)

  
 Locality   (Site not responding. Last check: 2007-10-17)
In computer science locality generally refers to locality of reference which describes how programs typically access
While conventional measures of locality such as arithmetic mean are often seen as the most way to describe locality they are very to outliers.
Thus the median value which does not have any on extreme outliers is frequently used instead the data set is relatively large.
www.freeglossary.com /Locality   (438 words)

  
 Re: Principle of equivalence and locality
I called "weak principle of equivalence" the fact that bodies fall at the same speed, whatever their mass.
I called "strong principle of equivalence" the fact that it is apparently not possible to build a local experiment that tells you whether you are in a gravity field or in an accelerated frame.
The least action principle has no longer a strict equivalent at microscopic scale, it is replaced by probabilities related to a wave function.
www.lns.cornell.edu /spr/1999-02/msg0014486.html   (844 words)

  
 Locality of reference - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-10-17)
Upper Cretaceous gastropods from the Pierre Shale at Red Bird, Wyoming (Stratigraphy, paleontology, and sedimentation of a classic reference locality of the Pierre Shale)
Locality and Identity: Environmental Issues in Law and Society (Issues in Law and Society)
Productive capacity of locality as a function of soil and climate with particular reference to forest land (Louisiana State University studies)
encyclopedia.worldsearch.com /locality_of_reference.htm   (493 words)

  
 Ebon Musings: The Argument from Locality
Another way in which this aspect of the Argument from Locality applies is in regard to those religious tenets which state beliefs and approve practices that were widely agreed upon at the time, but that today are recognized to be false or morally wrong.
Again, under the Argument from Locality this is exactly what we should expect: these religions, being the product of those time periods, cannot be expected to show knowledge advanced beyond what the people of those periods possessed.
Given a few first principles - physical laws and observations whose existence no one disputes - atheism requires that the world can only be one way, and that is the way we in fact find it to be.
www.ebonmusings.org /atheism/locality.html   (2637 words)

  
 Military Applications of Post-Quantum Physics
In addition to realism and locality, there are auxiliary (but not necessarily independent) assumptions, which include absence of advanced actions, contrafactual definiteness, etc. In accord with the usual practice in this discussion, we shall accept the auxiliary assumptions and concentrate on realism and locality.
Quite to the contrary, from the context of this argument, it is clear that locality is considered to be such an obvious requirement that it does not even require explicit mentioning as one of the conditions for the validity of Bell's theorem.
This approach has the obvious advantage that the existing notions of locality can still be formulated, but it poses the equally obvious difficulty of constructing a nonlocal theory which does not violate relativistic causality, at least in the approximation that spacetime fluctuations can be neglected.
www.qedcorp.com /Q/ChiaoBell.html   (2734 words)

  
 Principle of Locality   (Site not responding. Last check: 2007-10-17)
This principle states that programs tend to reuse data and instructions they have used recently.
Temporal locality states that recently accessed items are likely to be accessed in the near future.
Spatial locality says that items whose addresses are near one another tend to be referenced close together in time.
www.cs.cofc.edu /~leclerc/450/notes1/node7.html   (83 words)

  
 Requirements Specification and Development Principles for Programming Languages
A concretization of locality is the Qualification Principle.
Concretizations of involution are the Parameterization Principle and the Abstraction Principle.
the qualification principle is a restatement of the abstraction principle restricted to local scope.
www.cs.mun.ca /~ulf/pld/princ.html   (6223 words)

  
 [No title]
Time locality vs. Space locality If we fix a dictionary and its length, we want to know which one of the two principles can generate the best representation of how the string is supposed to behave in the future (the part not yet scanned by the algorithm).
Time locality, at the other hand, looks for time redundancy rather than space: this means that just used (time local) substring will not be deleted even if they were coded at a string place far from the actual coding place (space non local).
This must not surprise: even if a generally accepted principle states that "information quantity must not change" in a non lossy method, it is also possible to demonstrate that, for a general string, an ideal compressor (a compressor better than anyone else's) does not exist.
www.betaversion.org /~stefano/papers/compression.doc   (1961 words)

  
 EPR paradox Summary
According to the uncertainty principle, it is impossible to measure two complementary variables such as the momentum and the position of a particle with exact precision.
However, the principle of locality appeals powerfully to physical intuition, and Einstein, Podolsky and Rosen were unwilling to abandon it.
In the many-worlds interpretation, a kind of locality is preserved, since the effects of irreversible operations such as measurement, arise from the relativization of a global state to a subsystem such as that of an observer.
www.bookrags.com /EPR_paradox   (3633 words)

  
 Class 1: Memory Hierarchy
Temporal locality implies that if a program has accessed a particular location in memory, it is highly likely that this location will be accessed again soon (therefore, it is wise to keep it handy).
Spatial locality implies that if a program accesses a particular location in memory, it is highly likely to access close by locations too (it is therefore desirable to bring a whole block into memory so the program can access all related information from it).
These two facets of the principle of locality are exploited in building a memory hierarchy.
www.mines.edu /Academic/courses/math_cs/macs341/node58.html   (266 words)

  
 Re: Principle of equivalence and locality   (Site not responding. Last check: 2007-10-17)
From the _weak_ principle of equivalence alone, we can derive the bending of light rays by gravity and gravitational red/blue shift.
As for the strong principle (perhaps that's what you meant), that's a different matter.
But I would reserve judgment until I knew precisely what statement de Dinechin meant by "the 'strong' version of the principle of equivalence." And I'm not sure what proof he is referring to.
www.lns.cornell.edu /spr/1999-02/msg0014376.html   (278 words)

  
 Exploiting Semantic Locality in Operating Systems
The principle of locality is that the system can make use of its knowledge of the interrelationships between items to improve performance, from determining the proper contents of a cache, to pre-fetching information likely to be needed soon, to concealing delays caused by relatively slow hardware components.
Semantically local things may not be spatially next to each other, including in their disk layout, their physical location in the world, and their place in the file system naming scheme.
Extracting true semantic locality in the difficult cases is likely to be challenging, requiring deep understanding of the system, yet it must be done at the speed of programs and messages, not at the speed of human analysts.
www.cs.utexas.edu /users/new_directions/Papers/peter_reiher.html   (1915 words)

  
 [No title]
As for the first point, the similarity of the syntactic effect with the locality effects observed in phonology, in ellipsis processes, etc. seems substantive enough to support the view that these effects follow from a general locality principle, cutting across specific operations and components of grammar.
Principle (28) is highly selective in the identification of possible interveners: an intervener is an intervening position with the same featural constitution as the target, as in (30)a.
They are not argumental (topic chains have none of the locality properties of argumental chains), nor quantificational (topic and focus sharply differ with respect to the syntactic tests for quantificational elements: Rizzi (1997)), nor modificational.
www.ciscl.unisi.it /doc/doc_pub/rizzi2002-locality&left_perifery.doc   (6003 words)

  
 Locality   (Site not responding. Last check: 2007-10-17)
The BENGAL project is a high resolution temporal and spatial study of the BENthic biology and Geochemistry of a north-eastern Atlantic abyssal Locality.
This project has the general objective of understanding how the physics, chemistry and biology of the abyssal benthic boundary layer respond to, and modify the incoming chemical signal from the overlying surface layers and thus affect the palaeoceanographic record in the underlying sediment.
Biography of the actress born in this locality.
www.omniknow.com /common/wiki.php?in=en&term=Localities   (835 words)

  
 Bell's Theorem (Stanford Encyclopedia of Philosophy)
In principle this Inequality could be used to adjudicate between the family of Local Realistic Theories and Quantum Mechanics, provided that the detectors are sufficiently efficient and also provided that the single detection counts are not spoiled by counting systems that do not belong to the pairs in the ensemble of interest.
By contrast, the Local Realistic Theories studied in Section 2 are allowed to be stochastic, in the sense that a complete state can assign other probabilities between 0 and 1 to the possible outcomes.
Bohm's nonlocal model peacefully coexists with relativistic locality for another reason: that the width of the effective wave function which is employed in the guidance equation is not sufficiently controllable to ensure a desired result of measurement of the quantity required to transmit a message.
plato.stanford.edu /entries/bell-theorem   (12706 words)

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