generation using finite state transducers

Ngày tải lên: 17/03/2014, 22:20

... awra. As the figure depicts, 0 is the start state and 4 is the final state. Each transition is a 4-tuple <c, n, i, o> where c is current state, n is the next state, i is the input symbol and o is ... FST transition table do 3: if next state is a final state then 4: for all rules where I is the last character of first word do 5: S = next state from the start state on encountering X; 6: Y = first ... and Efficient Weighted Finite- State Trans- ducer Library. CIAA’07, Prague, Czech Republic. Deniz Yuret and Ergun Bic¸ici. 2009. Modeling Mor- phologically Rich Languages Using Split Words and Unstructured...

Ngày tải lên: 07/03/2014, 22:20

... 4 shows the results of rescoring the ASR word graphs using the fertility-based transducers. 1 Actually, the ASR word graph is obtained by using P r(x T 1 |e I 1 ) and P r(e I 1 ) models. However, ... Association for Computational Linguistics Integration of Speech to Computer-Assisted Translation Using Finite- State Automata Shahram Khadivi Richard Zens Lehrstuhl f ¨ ur Informatik 6 – Computer Science ... engine. In this paper, we study the incorporation of MT models and ASR models using finite -state automata. We also propose some transducers based on MT models for rescoring the ASR word graphs. 1 Introduction A...

Ngày tải lên: 20/02/2014, 12:20

... de- velopment cycle in natural language engineering. 2 Transducers and Parameters Finite- state machines, including finite -state au- tomata (FSAs) and transducers (FSTs), are a kind of labeled directed ... Probabilistic Finite- State Transducers ∗ Jason Eisner Department of Computer Science Johns Hopkins University Baltimore, MD, USA 21218-2691 jason@cs.jhu.edu Abstract Weighted finite -state transducers ... models with finite state supervision. In A. Kornai, ed., Extended Finite State Models of Language. Cambridge University Press. Emmanuel Roche and Yves Schabes, editors. 1997. Finite- State Language...

Ngày tải lên: 20/02/2014, 21:20

... have chosen to represent rules as subse- quential finite state transducers. Subsequential finite state transducers are a subtype of finite state transduc- ers with the following properties: ... destination state After the process of merging states terminates, a deci- sion tree is induced at each state to classify the outgoing arcs. Figure 9 shows a tree induced at the initial state of ... Destination State: 0 2: Output: [ ], Destination State: 1 prim-stress ix+ 1 2 On end of string: Output: nil, Destination State: 0 Figure 9: Decision Tree Before Pruning: The initial state of...

Ngày tải lên: 08/03/2014, 07:20

Ngày tải lên: 23/03/2014, 20:21

Ngày tải lên: 31/03/2014, 00:20

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 31/03/2014, 04:20

Ngày tải lên: 31/03/2014, 21:20

Ngày tải lên: 23/03/2014, 19:20

Ngày tải lên: 31/03/2014, 04:20

... the new generation from the last generation. (2) Mutation: In order to maintain genetic diversity, some of the individuals in the group are randomly altered. After that, the new generation ... algorithm improves the fitness of the initial generation by going through a number of steps listed below. The procedure is repeated by going through many generations until the convergence criteria ... Remove a subset of the individuals. In order to select a proportion of the current generation to create a new generation, those individuals with lowest fitness are removed according to the natural...

Ngày tải lên: 05/09/2013, 17:03

... USA 19-24 June 2011. c 2011 Association for Computational Linguistics Automatic Headline Generation using Character Cross-Correlation Fahad A. Alotaiby Department of Electrical Engineering, ... evaluate the process of headline generation of this system. Hedge Trimmer (Dorr et al. , 2003) is a system that creates a headline for an English news- paper story using linguistically-motivated ... headline. Jin and Hauptmann (2002) proposed a probabilistic model for headline generation in which they divide head- line generation process into two steps; namely the step of distilling the information...

Ngày tải lên: 20/02/2014, 05:20

... observations that finite state machines might accurately account for psycholinguistic re- sults to some degree. The current study provides more concrete answers to what finite state machine is relevant ... encoded into this model. For purposes of initial real-time process- ing it could be that the HSPM is using a similar encoding of structural regularities into convenient probabilistic or neural form. ... garden-path 52 Acknowledgments This project was supported by the Cognitive Sci- ence Summer 2004 Research Award at the Ohio State University. We acknowledge support from NSF grant IIS 0347799. References S. Bangalore and...

Ngày tải lên: 20/02/2014, 11:21

... of solving discourse generation problems using stochastic models. Our generation algorithms are fundamentally differ- ent from previously-proposed algorithms for dis- course generation. The genetic ... develop- ing generation algorithms for text-to-text applications. In Proceedings of the ACL, pages 66–74. Radu Soricut. 2006. Natural Language Generation for Text- to-Text Applications Using an Information-Slim ... which is used to compute an admissible future cost for state , using the following equation: is the set of future (visible) events for state , which can be computed directly from an input IDL-graph,...

Ngày tải lên: 20/02/2014, 12:20

... ed- it distance from state 0 to state j, and the cost(i,j) is the cost of insertion, deletion or substitution from s- tate j to state i. The equation means the minED of state i can be computed ... of state i can be computed by the accumulated minED- cost of state j in the phase p. The state j belongs to the have-been-calculated state set {X 0 ,. . . ,X p−1 } in phase p. In phrase p, we compute ... transcription for all the to- be-calculated states which is the X p shown in Fig- ure 4. After computing all the phrases, the best path and its edit distances of the end states are obtained. Then the final...

Ngày tải lên: 07/03/2014, 18:20

... been generated, any non-coaccessible states (i.e., states that are not reachable from the goal node) are re- moved and the resulting structure is rescored with language models using a user-specified intersec- tion/pruning ... kleines (small/little) Haus (house/shell) using a SCFG-based model (left) and phrase-based model with a distor- tion limit of 1 (right). must equal 0. Values that can be computed using the semirings include ... lattice Unscored hypergraph Input Transducers Cube pruning Full intersection FST rescoring Translation hypergraph Output Cube growing No rescoring Figure 1: Forest generation workflow (first half...

Ngày tải lên: 07/03/2014, 22:20

... Workshop, pages 45–53, Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLP Sentence Diagram Generation Using Dependency Parsing Elijah Mayfield Division of Science and Mathematics University of ... some semantic information beyond unlabelled relations, a com- promise can be made. We show that using linear diagramming models can do this with acceptable error rates, and hope that future work ... information about the func- tion of each word in a sentence can be represented in a compact form, using orientation and other spa- tial clues. This provides a simpler and intuitive means of visualizing...

Ngày tải lên: 08/03/2014, 01:20

... quence of a start state, reading states, a crossover state, prefinal states, and a final state. The excep- tion to this is a path accepting the empty string, which has a start state, possibly ... reading states), states with e-transitions entering and leaving them (prefinal states), and states with terminal transitions entering them and e-transitions leaving them (cr0ssover states). ... sequence of G-transitions leading to the final state [$' * S.]. Hence ~" has the following kinds of states: the start state, the final state, states with terminal transitions entering...

Ngày tải lên: 08/03/2014, 07:20