A probabilistic context language for adaptive reasoning

A probabilistic context language for adaptive reasoning

A probabilistic context language for adaptive reasoning

... that the random variable A can assume the domain space D (A) of A The domain value/as- 30 2.4 Summary NOTATION MEANING A, B D (A) a, b X x X=x |x| λ (A, B) λ (a, b) λ (A = a) a| b two random variables ... methodology for estimating contextual probabilities if the data are available 1.4.2 Local Context Representation One advantage of CSN is that it can be used as an underlying fram...

Ngày tải lên: 14/09/2015, 08:23

222 526 0
Báo cáo khoa học: "A Probabilistic Context-free Grammar for Disambiguation in Morphological Parsing" pdf

Báo cáo khoa học: "A Probabilistic Context-free Grammar for Disambiguation in Morphological Parsing" pdf

... the stem and all its inflected forms However, MORPA also contains inflectional rules of which the token frequencies should be available For obtaining frequency information on inflectional affixes ... use the CELEX corpus, containing approximately 44 million words Unfortunately, the morphological information in this corpus does not contain any production rules or information on the affix...

Ngày tải lên: 18/03/2014, 02:20

10 435 0
Tài liệu Báo cáo khoa học: "A probabilistic generative model for an intermediate constituency-dependency representation" pptx

Tài liệu Báo cáo khoa học: "A probabilistic generative model for an intermediate constituency-dependency representation" pptx

... the number of k-best candidates increases, the PCFG model outperforms the TDS-reranker both according to the BDS and the JDS Unfortunately, the performance of the reranking model worsens progressively ... Figure compares the Fscore performance of the TDS-reranker against the PCFG-reranker Our system consistently outperforms the PCFG model on this metric, as for UAS, and BAS Concerning...

Ngày tải lên: 20/02/2014, 04:20

6 556 0
Báo cáo khoa học: "A Probabilistic Modeling Framework for Lexical Entailment" potx

Báo cáo khoa học: "A Probabilistic Modeling Framework for Lexical Entailment" potx

... probabilistic framework while pointing at certain modeling aspects that need to be improved Probabilistic Model Under the lexical entailment scope, our modeling goal is obtaining a probabilistic score for ... baseline for future entailment research Conclusions and Future Work This paper presented, for the first time, a principled and relatively rich probabilistic model f...

Ngày tải lên: 30/03/2014, 21:20

6 376 0
Báo cáo khoa học: "A Scalable Probabilistic Classifier for Language Modeling" pdf

Báo cáo khoa học: "A Scalable Probabilistic Classifier for Language Modeling" pdf

... Charles Sutton for their feedback on this work and Abby Levenberg for the preprocessed datasets References Y Bengio, R Ducharme, P Vincent, and C Jauvin 2003 A Neural Probabilistic Language Model ... Empirical Study of Smoothing Techniques for Language Modeling Computer Speech and Language, 13:359–394 S Chen and R Rosenfeld 2000 A Survey of Smoothing Techniques for ME Models I...

Ngày tải lên: 07/03/2014, 22:20

6 350 0
Some studies on a probabilistic framework for finding object-oriented information in unstructured data

Some studies on a probabilistic framework for finding object-oriented information in unstructured data

... framework for finding object-oriented information in unstructured data Two above solutions can be plausible for solving object search problem Yet, the Information Extraction based solution has ... they also have some shortcomings Information Extraction based solution has low scalability and low adaptability while Text Information Retrieval based solution has high sca...

Ngày tải lên: 23/11/2012, 15:04

51 394 0
Tài liệu A Common Language for Computer Security Incidents ppt

Tài liệu A Common Language for Computer Security Incidents ppt

... –employees (attackers) who attack competitor's computers for financial gain professional criminals - attackers who attack computers for personal financial gain vandals - attackers who attack computers ... actually take place during an event For example, when a user logs in to an account, we classify the action as authenticate and the target as account The actual action that takes plac...

Ngày tải lên: 14/02/2014, 08:20

32 999 0
Tài liệu Báo cáo khoa học: " A Declarative Language for Implementing Dynamic Programs∗" pptx

Tài liệu Báo cáo khoa học: " A Declarative Language for Implementing Dynamic Programs∗" pptx

... implemented as a ∧ b, and a+ b as a ∨ b The Dyna programmer can declare the agenda discipline—i.e., the order in which updates are processed—to obtain variant algorithms Although Dyna supports stack and ... partial hypotheses are assembled, or where consistency has to be maintained It is already being used for parsing, syntax-based machine translation, morphological analysis, grammar i...

Ngày tải lên: 20/02/2014, 16:20

4 560 0
Tài liệu Báo cáo khoa học: "GPSM: A GENERALIZED PROBABILISTIC SEMANTIC MODEL FOR AMBIGUITY RESOLUTION" pptx

Tài liệu Báo cáo khoa học: "GPSM: A GENERALIZED PROBABILISTIC SEMANTIC MODEL FOR AMBIGUITY RESOLUTION" pptx

... called an annotated phrase level (APL) The i-th APL is denoted as Fi For example, L5 in Figure has an annotated phrase level F5 = {B [fB], F [fF], c4 [fc,]} as its Semantic Tagging Canonical Form ... can be characterized differently Semantic Tagging A popular linguistic approach to annotate a tree is to use a unification-based mechanism However, many information irrelevant to disa...

Ngày tải lên: 20/02/2014, 21:20

8 412 0
Tài liệu Báo cáo khoa học: "A Terminological Simplification Transformation for Natural Language Question-Answering Systems" doc

Tài liệu Báo cáo khoa học: "A Terminological Simplification Transformation for Natural Language Question-Answering Systems" doc

... expression, one of the "pre- simplification" transformations is applied to place it in a normalized form Third and finally, one of the actual simplification transformations is used to convert ... prepares the w a y for the simplification transformation itself, w h i c h will rely on a limited a n d s o u n d form of inference to reverse the axiomatization and transform the meaning re...

Ngày tải lên: 21/02/2014, 20:20

6 299 0
Tài liệu Báo cáo khoa học: "Domain-transcending mappings in a system for metaphorical reasoning" docx

Tài liệu Báo cáo khoa học: "Domain-transcending mappings in a system for metaphorical reasoning" docx

... way) We assume that there are two relevant metaphorical views: MIND IS PHYSICAL SPACE and IDEAS ARE PHYSICAL OBJECTS, containing the following relevant mappings: When a person's mind is being viewed ... physically contains the main house, the annexes Therefore, by the containment mapping relationship, psychoanalysis is being claimed in reality to contain corresponding items Because psy...

Ngày tải lên: 22/02/2014, 02:20

6 455 0
Báo cáo khoa học: "A Probabilistic Model for Fine-Grained Expert Search" pptx

Báo cáo khoa học: "A Probabilistic Model for Fine-Grained Expert Search" pptx

... juxtapose the results of our probabilistic model for fine-grained expert search with automatic expert search systems from the TREC evaluation The performance of our proposed model is rather encouraging, ... of fine-grained expert search, which we believe to be a promising direction for exploring subtle aspects of evidence The proposal of probabilistic model for fineg...

Ngày tải lên: 08/03/2014, 01:20

9 400 0
Báo cáo khoa học: "A Flexible Stand-Off Data Model with Query Language for Multi-Level Annotation" ppt

Báo cáo khoa học: "A Flexible Stand-Off Data Model with Query Language for Multi-Level Annotation" ppt

... concise way to formulate certain types of queries for multi-level annotated corpora Queries are automatically converted into the underlying query language and then executed A query in simplified ... associated query language NXT Search (Heid et al., 2004) is a powerful declarative language for querying diverse relations (incl pointers), supporting quantification and constructs...

Ngày tải lên: 08/03/2014, 04:22

4 348 0
Báo cáo khoa học: "A Word-Order Database for Testing Computational Models of Language Acquisition" docx

Báo cáo khoa học: "A Word-Order Database for Testing Computational Models of Language Acquisition" docx

... family, # of sentences consumed Conclusion and future work The thrust of our current research is directed at collecting data for a comprehensive, comparative study of psycho -computational models of ... Niyogi, P (1998) The Informational Complexity of Learning: Perspectives on Neural Networks and Generative Grammar Dordrecht: Kluwer Academic Pinker, S (1979) Formal models of...

Ngày tải lên: 08/03/2014, 04:22

8 368 0
Báo cáo khoa học: "A Preference-first Language Processor Integrating the Unification Grammar and Markov Language Model for Speech Recognition-ApplicationS" potx

Báo cáo khoa học: "A Preference-first Language Processor Integrating the Unification Grammar and Markov Language Model for Speech Recognition-ApplicationS" potx

... to form a complete speech recognition system The language processor consists of a language model and a parser The language model properly integrates the unification grammar and the Markov language ... sentence hypotheses The Laneua~e Model The goal of the language model is to participate in the selection of candidate constituents for a sentenc...

Ngày tải lên: 08/03/2014, 07:20

6 393 0
w