... analysis of a stem should return at least the root and the derivational category, and generation should start with a root and a derivational category and return a stem We can represent each root as ... 22,313 states and 118,927 arcs The system handles verbs in all of the root classes discussed by Leslau (1941), including those with laryngeals and semivowels in different ro...
Ngày tải lên: 17/03/2014, 22:20
... Surveillance (AVSS ’07), pp 242–247, London, UK, September 2007 [4] A Singh, S Sawan, M Hanmandlu, V K Madasu, and B C Lovell, “An abandoned object detection system based on dual background segmentation,” ... was detected False detections indicate that an abandoned object was detected where, in fact, there was not an abandoned object (but, for example, a person) Missed d...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo khoa học: "Dependency Parsing with an Extended Finite State Approach" docx
... structures and transformational rules Language, 46(2):259-284 Emmanuel Roche 1997 Parsing with finite state transducers In Emmanuel Roche and Yves Schabes, editors, Finite- State Language Processing, ... Grefenstette 1996 Light parsing as finitestate filtering In ECAI '96 Workshop on Extended finite state models of language August Timo J~irvinen and Pasi Tapanainen 1998 Tow...
Ngày tải lên: 23/03/2014, 19:20
Báo cáo khoa học: "Compiling Regular Formalisms with Rule Features into Finite-State Automata" doc
... in a compound rule, each set of contexts is associated with a feature structure of its own What is meant by 'rule features are satisfied'? Regular grammars which make use of rule features normally ... simply becomes B = U "r;£k rTCkTr; Compiling Rules (24) k A compound regular rule with m context-pairs and m rule features takes the form v The intersection with a'*¢k,'r...
Ngày tải lên: 24/03/2014, 03:21
Báo cáo khoa học: "Simple Unsupervised Grammar Induction from Raw Text with Cascaded Finite State Models" docx
... model for unsupervised chunking from raw text that is based on standard probabilistic finitestate methods This model produces better local constituent predictions than the current best unsupervised ... speed grammar induction on large text corpora In SOFSEM T Berg-Kirkpatrick, A Bouchard-Cˆ t´ , J DeNero, and oe D Klein 2010 Painless unsupervised learning with features In H...
Ngày tải lên: 30/03/2014, 21:20
Báo cáo khoa học: "Arabic Language Modeling with Finite State Transducers" potx
... not compose with the word, may compose with it in a unique way, or may compose with the word in several ways Each of the successful compositions produces a finite state recognizer with brackets ... and re-estimating the language model Also, we will expand the language model to include more training data We will implement the model within an Arabic ASR system, with and without 4...
Ngày tải lên: 31/03/2014, 00:20
Báo cáo khoa học: "Locating noun phrases with finite state transducers" pdf
... transducers to enrich a dictionary Formal Description We deal with noun phrases containing a description of an occupation, a proper noun, or both combined For example, 'a senior R A F o]flcer', ... full description of the specific phrases actually used to describe occupations We also use large coverage dictionaries, and libraries of general purpose finite state transducers Our al...
Ngày tải lên: 31/03/2014, 04:20
Báo cáo khoa học: "Approximating Context-Free Grammars with a Finite-State Calculus" docx
... of the grammar An examples is: S ~ al S S~al S-+anS S-+anAn A~ -+ a~ X A1 -+ a2 Az A1 ~ an A1 A2 -+al A2 A2 -+ a2 X A2 ~ an A2 An -~ al An X-+e S + al S al A1 An -+ a2 A, ~ An ~ an X Here ... final automaton has n states (It records, in effect, one of three possibilities for each terminal symbol: whether it has not yet appeared, has appeared and must appear again, or has appear...
Ngày tải lên: 31/03/2014, 21:20
Tài liệu Báo cáo khoa học: "A Finite-State Model of Human Sentence Processing" docx
... Unambiguous sentences are usually longer than garden-path sentences To compare sentences of different lengths, the joint probability of the whole sentence and tags was divided by the number of words ... interpretation of the model for human sentence processing Corley and Crocker clearly state that their model is strictly limited to lexical ambiguity resolution, and their tes...
Ngày tải lên: 20/02/2014, 11:21
Tài liệu Báo cáo khoa học: "Integration of Speech to Computer-Assisted Translation Using Finite-State Automata" pdf
... out -of- vocabulary (OOV) words The remaining part of the XEROX corpus is used to train a back off trigram language model using the SRI language modeling toolkit (Stolcke, 2002) The LM perplexity of ... Schaaf, u u and A Waibel 2005a Speech translation enhanced automatic speech recognition In Automatic Speech Recognition and Understanding Workshop (ASRU), pages 121–126, Puerto...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "Parameter Estimation for Probabilistic Finite-State Transducers∗" doc
... regexp built up from atomic expressions a : b (for a ∈ Σ ∪ { }, b ∈ ∆ ∪ { }) using concatenation, probabilistic union +p , and probabilistic closure ∗p For defining conditional relations, a good regexp ... synchronous PCFGs built for translation These are parameterized by the PCFG’s parameters, but add or remove strings of the PCFG to leave an improper probability distribution Fortuna...
Ngày tải lên: 20/02/2014, 21:20
Báo cáo khoa học: "Automated Essay Scoring Based on Finite State Transducer: towards ASR Transcription of Oral English Speech" docx
... insertion, deletion or substitution from state j to state i The equation means the minED of state i can be computed by the accumulated minEDcost of state j in the phase p The state j belongs to the ... less than that of insertions and deletions Here, we assume that the cost of substitutions is based on the similarity of the two words Then with the help of different c...
Ngày tải lên: 07/03/2014, 18:20
Báo cáo khoa học: "Automatic Sanskrit Segmentizer Using Finite State Transducers" pdf
... the bound morphemes in compounds A segmentizer for Sanskrit developed by Huet (Huet, 2009), decorates the final states of its finite state transducer handling Sanskrit morphology with the possible ... this approach, we build an FST, using OpenFst (Allauzen et al., 2007) toolkit, incorporating http:/ /sanskrit. uohyd.ernet.in, http://www.sanskritlibrary.org, http:/ /sanskrit. jnu.ernet...
Ngày tải lên: 07/03/2014, 22:20
Báo cáo khoa học: "cdec: A Decoder, Alignment, and Learning Framework for Finite-State and Context-Free Translation Models" potx
... statistical machine translation In Proc of ACL, pages 160–167 K Papineni, S Roukos, T Ward, and W.-J Zhu 2002 BLEU: a method for automatic evaluation of machine translation In Proc of ACL, pages ... Chiang, K Knight, and W Wang 2009 11,001 new features for statistical machine translation In Proc of NAACL, pages 218–226 M Riedmiller and H Braun 1993 A direct adaptive method...
Ngày tải lên: 07/03/2014, 22:20
Báo cáo khoa học: "FINITE-STATE APPROXIMATION OF PHRASE STRUCTURE GRAMMARS" pdf
... algebraic simplifications of CFGs of regular languages Other work on finite state approximations of phrase structure grammars has typically relied on arbitrary depth cutoffs in rule application ... explain the approximation algorithm we will need to recall the main aspects of the construction The states of ~4(G) are sets of dotted rules A -* a [3 where A -, a/~ is some rule...
Ngày tải lên: 08/03/2014, 07:20