0

linear grammars generative power

Báo cáo khoa học:

Báo cáo khoa học: "COMBINATORY CATEGORIAL RELATIONSHIP TO LINEAR GRAMMARS: GENERATIVE POWER AND CONTEXT-FREE REWRITING SYSTEMS"" pptx

Báo cáo khoa học

... Steedman's recent work. 2.2 Linear Indexed Grammars Linear Indexed Grammars (LIG's) were introduced by Gazdar [6], and are a restriction of Indexed Grammars introduced by Aho [2]. ... This system is called L/near Indexed Grammars because it can be viewed as a 279 COMBINATORY CATEGORIAL GRAMMARS: GENERATIVE POWER AND RELATIONSHIP TO LINEAR CONTEXT-FREE REWRITING SYSTEMS" ... class including Context-Free Grammars, Gener- alized Phrase Structure Grammars (GPSG), Head Gram- mars, Tree Adjoining Grammars, and Multicomponent Tree Adjoining Grammars. In [14] it is shown...
  • 8
  • 297
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "The "Spectrum" of Weak Generative Powers of Grammars" ppt

Báo cáo khoa học

... spectrum of weak generative powers is how grammars of natural languages fit into the spectrum. That is, what are their apparent weak generative powers compared to those of the formal grammars discussed ... weak generative power is, of course, GENERATIVE POWERS OF GRAMMARS 13 [Mechanical Translation and Computational Linguistics, vol.9, no.1, March 1966] The "Spectrum" of Weak Generative ... literature concerning the generative powers of various formal grammars. The relative generative powers are displayed graphically. I. Introduction Many forms of grammars have been proposed...
  • 5
  • 257
  • 0
Tài liệu Báo cáo khoa học:

Tài liệu Báo cáo khoa học: "Generative Power of CCGs with Generalized Type-Raised Categories" pptx

Báo cáo khoa học

... grammar. Lingui- stic Inquiry, 10. Carpenter, Bob. 1991. The generative power of Categorial Grammars and Head-driven Phrase Structure Grammars with lexical rules. ComputationalLinguistics, 17. ... the expected generative capacity, we place a condition on the use of rules. The condition can be viewed in a way comparable to those on rewriting rules to define, say, context-free grammars. ... time parsing of Combinatory Categorial Grammars. In ACL28. Vijay-Shanker, K. and D. J. Weir. 1994. The equivalence of four extensions of context-free grammars. Mathematical Systems Theory,...
  • 3
  • 368
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "Constraints on strong generative power" pdf

Báo cáo khoa học

... constrained version ofJoshi’s question, “How much strong generative power can be squeezed out of a formal systemwithout increasing its weak generative power, ”and shown that within these constraints, ... test-ing the strong generative power of a formal sys-tem.Thus the original problem, which was, givena formalism F , to find a formalism that has asmuch strong generative power as possible but ... USAdchiang@cis.upenn.eduAbstractWe consider the question “Howmuch strong generative power canbe squeezed out of a formal systemwithout increasing its weak generative power? ” and propose some theoret-ical and practical...
  • 8
  • 278
  • 0
SHAPE GRAMMARS AND THE GENERATIVE SPECIFICATION ''''OF PAINTING AND SCULPTURE pot

SHAPE GRAMMARS AND THE GENERATIVE SPECIFICATION ''''OF PAINTING AND SCULPTURE pot

Kiến trúc - Xây dựng

... 2)(RULE2)(RULE3)(5HAPEIN·L(SGI))Figure3,page3GenerationofashapeusingSGlSHAPE GRAMMARS ANDTHE GENERATIVE SPECIFICATIONOFPAINTINGANDSCULPTUREInthispaperwepresent(1)adefinitionofshape grammars, (2)aformalism,basedonthese grammars, forthecomplete, generative specificationofaclassofpaintingsorsculptures,and(3)adiscussionoftheimplicationsofthesespecificationsforaestheticsanddesigntheory. Generative specificationscanbeusedintheanalysisandaestheticevaluationofthepaint-ingsorsculpturestheydefine.Indesignbasedon generative specifications,theartistchoosesstructuralandmaterialrelationshipsandthenproducesalgorithmicallytheres'ultingworksofart,Ourunderlyingaimistouseformal, generative techniquestoproducegood ... SLAC-PUB-644,Stanford Linear AcceleratorCenter.Paper128SHAPE GRAMMARS ANDTHE GENERATIVE SPECIFICATIONOFPAINTINGANDSCULPTUREAbstractA methodofshapegenerationusingshape grammars whichtakeshapeasprimitiveand ... foundusefulindefiningpaintingandsculptureformalisms.Differentruletypesconsistentwiththeideaofshape grammars arepossibleand candefineclassesof grammars analogoustothedifferentclassesofphrasestruc-ture grammars (Ginsberg,1966).Whereweuseshape grammars exclusivelytogenerateshapesforpaintingandsculpture,theycan...
  • 36
  • 508
  • 0

"Shape Grammars and the Generative Specification of Painting and Sculpture" doc

Điêu khắc - Hội họa

... Figure 6-2. Complete, generative specification of the class of paintings con-taining Urform I, II, and III. Shape Grammars Shape grammars are similar to phrase structure grammars, which were ... "complexity" [8], 6 Shape Grammars and the Generative Specification of Painting and Sculpture by George Stiny and James Gips A method of shape generation using shape grammars which take shape ... paradigmatic rather than generative. The painting and sculpture discussed are material representa-tions of shapes generated by shape grammars. Our underlying aim is to use formal, generative techniques...
  • 12
  • 509
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "Multiset-Valued Linear Index Grammars: Imposing Dominance Constraints on Derivations" pot

Báo cáo khoa học

... We start with the weak generative power. We have al- ready seen that {}-LIG can generate languages not in £(LIG) (and hence not in £(TAG)). We will now show that linearly restricted {}-LIGs ... Indexed grammars - an extension to context free grammars. J. ACM, 15:647-671. Becker, Tilman; Joshi, Aravind; and Rambow, Owen (1991). Long distance scrambling and tree adjoin- ing grammars. ... ~(UVG-DL) = L:({}-LIG) 268 Multiset-Valued Linear Index Grammars: Imposing Dominance Constraints on Derivations Abstract This paper defines multiset-valued linear index gram- mar and unordered...
  • 8
  • 148
  • 0
Phương pháp thuyết trình dùng Power Point

Phương pháp thuyết trình dùng Power Point

Kỹ thuật lập trình

... Phương Pháp Thuyết Trình Powerpoint Phương pháp thuyết trình hiệu quả PowerpointThuyết trình là một kỹ năng rất quan trọng trong quá trình học ... cách thành công thì rõ ràng công chúng sẽ nhìn nhận bạn một cách rất tích cực.Sử dụng phần mềm Powerpoint để thuyết trình ngày càng trở nên phổ biến đặc biệt là trong thời đại kỹ thuật hiện ... xin đưa ra một số mẹo nhỏ có thể giúp bạn hoàn thành tốt bài thuyết trình của mình khi sử dụng Powerpoint.1. Có khả năng chỉ bảo thính giảKhi thuyết trình, để cho an toàn bạn nên chắc chắn...
  • 2
  • 1,270
  • 7
Linear List Concepts

Linear List Concepts

Kỹ thuật lập trình

... appropriate position is needed).With Restricted List: depend on it own definition (FIFO or LIFO).8 Linear List Concepts (cont.)General list: • No restrictions on which operation can be used on ... Retrieval are successful when the list is not empty and the required key exists in the list).15 Linear List Concepts (cont.)3RemoveNode Algorithm<ErrorCode> Remove (ref DataOut <DataType>)Removes...
  • 71
  • 445
  • 0

Xem thêm