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Topic: Parsec (disambiguation)

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	Parsec - Wikipedia, the free encyclopedia
		One parsec is defined to be the distance from the Earth to a star that has a parallax of 1 arcsecond.
		The parsec follows naturally from this method, since the distance (in parsecs) is simply the reciprocal of the parallax angle (in arcseconds).
		The Oort cloud is approximately 0.6 parsec in diameter.
	en.wikipedia.org /wiki/Parsec (907 words)

	Parsec - Voyager, the free encyclopedia (Site not responding. Last check: 2007-10-12)
		Alternatively, the parsec is the distance at which two objects, separated by 1 astronomical unit, appear to be separated by an angle of 1 arcsecond.
		The greater the parallax of the star the closer it is to the Earth, and the smaller its distance in parsecs.
		The measurement of distances of celestial bodies from the Earth in parsecs is a key aspect of astrometry, the science of making positional measurements of celestial bodies.
	www.voyager.in /Parsecs (835 words)

	Parsec (disambiguation) - Wikipedia, the free encyclopedia
		In astronomy, a parsec is a unit of distance.
		Parsec is an XML syntax analyzer (PDF) similar to Lark
		This is a disambiguation page: a list of articles associated with the same title.
	en.wikipedia.org /wiki/Parsec_(disambiguation) (125 words)

	Angular diameter (Site not responding. Last check: 2007-10-12)
		In astronomy the size of objects in the sky are often measured in terms of their angular diameter as seen from Earth, rather than their actual size.
		The angular diameter of Earth's orbit around the Sun, from a distance of one parsec, is 2" (two arcseconds).
		The angular diameter of the Sun, from a distance of one lightyear, is 0.03", of the Earth 0.0003".
	www.kiwipedia.com /en/angular-diameter.html (217 words)

	[No title]
		This semantic disambiguation is learned in a simple recurrent network which provides the map- ping from the ambiguous semantic word representation to the disambiguated semantic word representation.
		The input for parsec is sentences, the output is case role representations.
		For parsec and for screen a modular architecture was tested which has the advantage that each connectionist module has to learn a relatively easy subtask.
	www.cs.cmu.edu /afs/cs.cmu.edu/project/jair/pub/volume6/sources/wermter97a.txt (18629 words)

	Everything about Arcsecond (Site not responding. Last check: 2007-10-12)
		A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 ≈ 7.7×10
		It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2π) ≈ 206,265 units, such as (approximately) 1 cm at 2.1 km, or 1 astronomical unit at 1 parsec, which is the definition of the parsec.
		The angular diameter of the Sun, from a distance of one light year, is 0.03", of the Earth 0.0003".
	svedia.ia.wikimiki.org /en/arcsecond (10492 words)

	NGC 2264 - TheBestLinks.com - Earth, Parsec, New General Catalogue, Astronomical object, ... (Site not responding. Last check: 2007-10-12)
		NGC 2264 is the designation number of the New General Catalogue that identifies two astronomical objects as a single object: the Cone Nebula and the Christmas Tree Cluster.
		Both objects are located in the Monoceros constellation and are located about 800 parsecs or 2600 light-years from Earth.
		This is a disambiguation page, i.e., a navigational aid which lists other pages that might otherwise share the same title.
	www.thebestlinks.com /NGC_2264.html (149 words)

	Sirius Definition / Sirius Research (Site not responding. Last check: 2007-10-12)
		See Sirius (disambiguation) for other uses of the name.
		At a distance of 2.6 pcThe parsec (abbreviated pc) is a unit of length used in astronomy.
		Alternatively, the parsec is the distance at which two objects,...
	www.elresearch.com /Sirius (1062 words)

	Polaris - Biocrawler (Site not responding. Last check: 2007-10-12)
		The brightest star in the sky (besides the Sun) is Sirius.
		Polaris is 431 light years (132 parsecs) from Earth, according to measurements made by the Hipparcos satellite.
		It is an F7 supergiant (Ib) or bright giant (II), with two smaller companions: an F3 V main sequence star about 2000 AU away and a close companion in an orbit with a 5 AU semi-major axis.
	www.biocrawler.com /encyclopedia/Polaris (727 words)

	Citebase - SCREEN: Learning a Flat Syntactic and Semantic Spoken Language Analysis Using Artificial Neural Networks (Site not responding. Last check: 2007-10-12)
		In summary, the syntactic (semantic) plausibility of a word hypothesis sequence is evaluated by the degree of agreement between the disambiguated syntactic (semantic) category of the current word and the predicted syntactic (semantic) category of the previous word.
		This semantic disambiguation is learned in a simple recurrent network which provides the mapping from the ambiguous semantic word representation to the disambiguated semantic word representation.
		Figure 10 shows that the disambiguated basic syntactic representation of "meine" ("mean") as a verb-and a very small preference for a pronoun-is mapped to the verb group category at the higher abstract syntactic category representation.
	www.citebase.org /cgi-bin/citations?id=oai:arXiv.org:cs/9701102 (15962 words)

	Parsing using the PARSEC Vector Processing Chip (ResearchIndex) (Site not responding. Last check: 2007-10-12)
		Abstract: This paper describes the implementation of the PARSEC 1 chip, a vector processing element (PE) for parsing languages.
		The PARSEC chip is based on a parsing algorithm which formerly ran in real time on a massively parallel machine [4]; however, the chip can achieve processing speeds fast enough for real-time language processing systems, while at the same time,...
		15 PARSEC: A constraint-based framework for spoken language und..
	citeseer.ist.psu.edu /90541.html (390 words)

	Supernova - Voyager, the free encyclopedia (Site not responding. Last check: 2007-10-12)
		However the typical rate for Type Ia supernovas in a galaxy is about 1 per 1000 years[1], and therefore the probability of one occurring within 1000 parsecs of Earth, given that the Milky Way is about 30,000 parsecs in diameter and 1000 parsecs thick, is probably less than 1 per 1 million years.
		Thus it is likely that a nearby (100 to 1000 parsecs) Type Ia has occurred several times within the history of life on Earth (about 500 million years) but is unlikely to occur anytime within the lifespan of our species.
		A recent article estimates that a Type II supernova would have to be closer than 8 parsecs (26 light years) to destroy half of the Earth's protective ozone layer.
	www.voyager.in /Supernova (3595 words)

	Vega (Site not responding. Last check: 2007-10-12)
		For other uses: see Vega (disambiguation) Vega (Alpha Lyrae) is the lead star in the constellation Lyra, reaching near directly overhead the mid-northern latitude s, during the summer.
		It's a "nearby star" at only 25 light year s distant and together with Arcturus and Sirius, one of the brightest stars in the Sun 's neighbourhood.
		They govern an automous region within the Imperium several parsec 's large around Vega.
	www.vvvvitamins.com /article-Vega.html (410 words)

	Citations: Implementation issues in the development of the parsec parser - Harper, Helzerman, Zoltowski, Yeo, Chan, ... (Site not responding. Last check: 2007-10-12)
		This type of information can be very useful for disambiguating parses or eliminating impossible sentence hypotheses.
		Since the set of languages that can be expressed by a CDG is a superset of the set of languages that can be parsed by CFGs, the translator developed for this project can only be used as a stepping stone to writing full and complex constraint dependency grammars complete with semantic and....
		Recently it has been demonstrated that dynamic LL(k) parsers, where the set of production rules can be changed during the derivation of a terminal string, are as powerful as LR(k) parsers; i.e.
	citeseer.ist.psu.edu /context/189251/579624 (1408 words)

	Ask Us A Question (Site not responding. Last check: 2007-10-12)
		In astronomy, the preferred unit of measurement for such distances is the parsec which is defined as the distance at which an object will generate one arcsecond of parallax when the observing object moved one astronomical unit perpendicular to the line of sight to the observer.
		This is equal to approximately 3.26 light years.
		The parsec is preferred because it can be more easily derived from, and inter-compared with, observational data.
	www.avoo.com /wiki/Light_year (493 words)

	publications < Main < TWiki
		Parsec: Direct style monadic parser combinators for the real world.
		A case study in optimizing parsing schemata by disambiguation filters.
		Using filters for the disambiguation of context-free grammars.
	www.cs.uu.nl /wiki/view/Main/publications?skin=print.pattern (2486 words)

	Packrat Parsing: Simple, Powerful, Lazy, Linear Time (Site not responding. Last check: 2007-10-12)
		This additional power simplifies the handling of common syntactic idioms such as the widespread but troublesome longest-match rule, enables the use of sophisticated disambiguation strategies such as syntactic and semantic predicates, provides better grammar composition properties, and allows lexical analysis to be integrated seamlessly into parsing.
		Yet despite its power, packrat parsing shares the same simplicity and elegance as recursive descent parsing; in fact converting a backtracking recursive descent parser into a linear-time packrat parser often involves only a fairly straightforward structural change.
		Parse.hs: Monadic combinator library for packrat parsers, inspired by Daan Leijen's Parsec library.
	pdos.csail.mit.edu /~baford/packrat/icfp02 (344 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		Parsec Result traits define: #Ok &parents: {Parsec Result} &slots: #(consumed value state).
		Parsec Result traits define: #Error &parents: {Parsec Result} &slots: #(consumed).
		Parsec Result Ok newConsumed: False withValue: val andState: state ] ].
	slate.tunes.org /repos/main/src/unfinished/parsec.slate (257 words)

	Packrat Parsing: a Practical Linear-Time Algorithm with Backtracking
		While TDPL was originally created as a formal model for top-down parsers with backtracking capability, this thesis extends TDPL into a powerful general-purpose notation for describing language syntax, providing a compelling alternative to traditional context-free grammars (CFGs).
		Common syntactic idioms that cannot be represented concisely in a CFG are easily expressed in TDPL, such as longest-match disambiguation and "syntactic predicates," making it possible to describe the complete lexical and grammatical syntax of a practical programming language in a single TDPL grammar.
		Inspired by Daan Leijen's Parsec library, which was designed for traditional predictive parsers and mostly-predictive parsers with special-case backtracking.
	pdos.csail.mit.edu /~baford/packrat/thesis (931 words)

	PARSEC - OneLook Dictionary Search
		parsec : The American Heritage® Dictionary of the English Language [home, info]
		PARSEC : Free On-line Dictionary of Computing [home, info]
		Parsec : Eric Weisstein's World of Astronomy [home, info]
	www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=PARSEC (204 words)

	[No title]
		PC may stand for: Personal computer,, or IBM PC compatible Coastal Patrol, according to its US Navy hull classification symbol Parsec, written pc Percent or per cent, written p.c.
		PCA may stand for: Patient-controlled analgesia (Medicine) Permanent Court of Arbitration Law) Plate count agar Microbiology) Presbyterian Church in America Principal components analysis statistics, and in particular signal processing) Personal Computer Analyzer, a type of Multichannel analyzer nuclear and particle physics.
		Pneumocystis carinii pneumonia phencyclidine, a drug also known as Angel Dust, a notion in the theory of computational complexity theory Partido Comunista del Peru, a.k.a.
	www.en-cyclopedia.com /index1/pc (722 words)

	Feet (feet info) (Site not responding. Last check: 2007-10-12)
		The metre (Commonwealth English) or meter (American English) (symbol: m) is the SI base unit of length.
		Its definitions include: Annex A of ISO 31-1 lists units of space and time based on the foot, pound and second.
		Annex B lists some other non-SI units of space and time, namely the gon, light year, astronomical unit, parsec, tropical year, and gal.
	santon.erdzeitalter.de.wikimiki.info /en/feet (10402 words)

	PC Biography,info
		This is a disambiguation page — a list of articles associated with the same title.
		Note: This page needs to be cleaned up to be brought into conformance with the Manual of Style.
		Categories: Disambiguation pages in need of cleanup
	www.danceage.com /biography/sdmc_Pc (579 words)

	UTCS NL-ACQ Paper History
		Yarowsky, D.: "Word-sense disambiguation using statistical models of Roget's categories trained on large corpora.
		The papers reviewed here focus on learning the meanings of words, learning the sounds of words, and learning the values of grammatical parameters.
		Comment: A paper from the old special corpus-based special issues that seems more relevant to learning to control parsers (compared to the normal grammar learning view) and therefore related to our approaches that learn to control shift-reduce type parsers.
	www.cs.utexas.edu /users/nl-acq/paper-history.html (3954 words)

	SBF Glossary: pb to PDX
		Illegally used (schedule III) as a hallucinogen, it has the reputation of making users violent.
		I have no idea what the second P stands for, but we have enough PC expansions, so I don't mind if they just threw it in for disambiguation.
		An opportunistic secondary infection common among those with compromised or weak immune systems -- principally
	www.plexoft.com /SBF/P01.html (7126 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		benny: I would go either with parsec or happy.
		i am trying to write a parsec parser and part of this grammar specifies the production as a range of characters 11:01:42
		so i think i got a handle on the parsing end of things, via parsec 16:39:10
	tunes.org /~nef/logs/haskell/05.11.24 (13640 words)

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