a comparison of algorithms for multi player games
Báo cáo hóa học: " Research Article A Comparison of Detection Performance for Several Track-before-Detect Algorithms" doc
... the false track count and the computationresource. For comparison, a probabilistic data association fil-ter with amplitude information (PDAF-AI) [28–30] was alsorun on the false track scenario. ... use a separate Markov chain for the presence or absence of a target as originally introduced for PDA in [22]. This approach has been used for the particlefilter [13] and a generalised version was ... performance of four alternative track-before-detect algorithms has been investigated for a range of targetSNR values and speeds. For most of the scenarios the differ-ence in detection performance...
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A comparison of real and simulated designs for vibratory parts feeding
... Seehttp://www.research.digital.com/SRC/juno-2.[10]JayaramanKrishnasamy, MarkJ.Jakiela, andDanielE.Whit-ney. Mechanics of vibration-assisted entrapment with appli-cation to design. In International Conference ... February 1971.[15]Balas K. Natarajan. Some paradigms for the automated de-sign of parts feeders. International Journal of Robotics Re-search, 8(6):98–109, December 1989. Also appeared in ... takingthe Cartesian product over all the parameter values. It alsoallows us to specify equivalence classes of stable states, andit then automatically categorizes the state (and hence, theequivalence...
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Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt
... that this approach might be well-suited for applications where lots of training data is available. 6 Discussion Annotated corpora of linguistic phenomena en-able many new natural language ... dependency parser. 1 Introduction A persistent goal of natural language processing research has been the automated transformation of natural language texts into representations that unambiguously ... some of the constraints used in Minpar A. In-stead of using all the information contained at a node, in Minipar B we only encode a path with its part of speech and relational information. For...
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A Comparison of Event Models for Naive Bayes Text Classi cation potx
... the task of text classification in a Bayesianlearning framework. This approach assumes that thetext data was generated by a parametric model, anduses training data to calculate Bayes-optimal ... the multi- variate Bernoulli shows its best results at a smaller vo-cabulary than the multinomial, and that the multino-mial has best performance at a larger vocabulary size.The same pattern ... the multinomial usually out-performs the multi- variate Bernoulli at large vocabu-lary sizes, and almost always beats the multi- variateBernoulli when vocabulary size is chosen optimally for both....
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Báo cáo khoa học: "A Comparison of Chinese Parsers for Stanford Dependencies" ppt
... LearningResearch, 9:1871–1874, June.Jan Hajiˇc, Massimiliano Ciaramita, Richard Johansson,Daisuke Kawahara, Maria Ant`onia Mart´ı, Llu´ıs M`arquez,Adam Meyers, Joakim Nivre, Sebastian Pad´o, ... dependency parsers).3 ResultsTable 3 tabulates efficiency and performance for allparsers; UAS and LAS are unlabeled and labeled at-tachment scores, respectively — the standard crite-ria for evaluating ... reviewers, for valuable comments.Supported in part by the National Natural Science Founda-tion of China (NSFC) via grant 61133012, the National “863”Major Project grant 2011AA0 1A2 07, and the National...
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Báo cáo khoa học: "A Comparison of Loopy Belief Propagation and Dual Decomposition for Integrated CCG Supertagging and Parsing" potx
... empirical comparison of BP and DD also com-plements the theoretically-oriented comparison of marginal- and margin-based variational approxima-tions for parsing described by Martins et al. (2010).We ... itdoes not enforce grammaticality. A workaround for this problem is the adaptive supertagging (AST) ap-proach of Clark and Curran (200 4a) . It is based on a step function over supertagger beam widths, ... in a previously circulated draft of this paper, for two reasons: we evaluate only on sentences for which a parsewas returned instead of all parses, to enable direct comparison with Clark and...
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Báo cáo khoa học: "A Comparison of Head Transducers and Transfer for a Limited Domain Translation Application" pptx
... having iden- tical sublanguage domain and test data, and using similar automata for analysis in the transfer system and transduction in the transducer system. Another justification is that ... particular type of fi- nite state automata associated with each word in the language. A relational head acceptor writes (or accepts) a pair of symbol sequences, a left sequence and a right sequence. ... above are averages over the same 200 test utterances used in the accu- racy evaluation. These timings are for an implemen- tation of the search algorithms in Lisp on a Silicon Graphics machine...
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Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx
... spam e-mail: A comparison of a Naive Bayesian and a memory-based approach.In H. Zaragoza, P. Gallinari, and M. Rajman, edi-tors, Proc. Workshop on Machine Learning and Tex-tual Infbrmation Access, ... classifye-mail. In Papers from the AAAI Spring Symposiumon Machine Learning in Information Access, pages18-25, Stanford, CA. AAAI Press.Thomas M. Cover and Joy A. Thomas. 1991. Elements of InfOrmation ... models for Naive Bayes text clas-sification. In Proc. AAAI-98 Workshop on Learning for Text Categorization, pages 41-48. AAAI Press.Dunja Mladeni6 and Marko Grobelnik. 1999. Featureselection for...
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a comparison of neural network architectures for
... is based on Shannon’s entropy. It is a statistical measurement of the capability of a feature to separate digit classes. If the information measure of a feature is high, it indicates that the ... for the use of neural network learning techniques for this type of application and data set, and insight about the appropriate design, use, and parameterization of the network to achieve acceptable ... between a feature’s template and the input image. A value of 0 indicates that a feature template did not match the digit image; a value of 1 indicates a complete match; and values in between these...
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báo cáo hóa học:" A comparison of classification methods for predicting Chronic Fatigue Syndrome based on genetic data" potx
... now adopted AUC for evaluating predictive ability of classifiers owing to the factthat AUC is a better performance metric than accuracy[31]. In this study, AUC was used as a value to comparethe ... BioMed CentralPage 1 of 8(page number not for citation purposes)Journal of Translational MedicineOpen AccessResearch A comparison of classification methods for predicting Chronic Fatigue Syndrome ... as testing data and different nine-tenths of the data as training data. Finally, the average estimate overall runs was reported by running the above regular 10-foldcross-validation for 100 times...
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báo cáo hóa học:" A comparison of two headless compression screws for operative treatment of scaphoid fractures" doc
... 90(1):66-71.15. Dias JJ, Dhukaram V, Abhinav A, Bhowal B, Wildin CJ:Clinical andradiologicaloutcome of cast immobilization versus surgical treatment of acute scaphoid fractures at a mean follow-up of 93 ... systemmay relate to the thread pattern. The Acutrak 2 is a fully threaded design that generates a large amount of thread-to-bone contact area. In comparison, the Synthesscrew has fewer threads, ... idea for the study and was responsible for revision of manuscript. Thesecond author on the paper, JA, collected and analyzed the data anddrafted the original manuscript. He is also the contact...
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báo cáo hóa học:" A comparison of two headless compression screws for operative treatment of scaphoid fractures" pdf
... 90(1):66-71.15. Dias JJ, Dhukaram V, Abhinav A, Bhowal B, Wildin CJ:Clinical andradiologicaloutcome of cast immobilization versus surgical treatment of acute scaphoid fractures at a mean follow-up of 93 ... greater final compression than the Synthes systemmay relate to the thread pattern. The Acutrak 2 is a fully threaded design that generates a large amount of thread-to-bone contact area. In comparison, ... idea for the study and was responsible for revision of manuscript. Thesecond author on the paper, JA, collected and analyzed the data anddrafted the original manuscript. He is also the contact...
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báo cáo hóa học:" Do visual analogue scale (VAS) derived standard gamble (SG) utilities agree with Health Utilities Index utilities? A comparison of patient and community preferences for health status in rheumatoid arthritis patients" pptx
... Epidemiology and Evaluation, Vancouver Coastal Health Research Institute, Vancouver, BC, CanadaEmail: Amir Adel Rashidi - amiradel@interchange.ubc.ca; Aslam H Anis - aslam.anis@ubc.ca; Carlo A Marra* ... Health Utilities Index utilities? A comparison of patient and community preferences for health status in rheumatoid arthritis patientsAmir Adel Rashidi1, Aslam H Anis2 and Carlo A Marra*3,4Address: ... Marra*3,4Address: 1Centre for Clinical Epidemiology and Evaluation, Faculty of Pharmaceutical Sciences, University of British Columbia, Canada, 2MHA Program, Department of Health Care and Epidemiology,...
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a comparison of sip and h.323 for internet telephony
... problematic feature and fall backto simpler operation. The feature names are based on a hierar-chical namespace, and new feature names can be registered withIANA. This means that any developer can ... places where a non-standard parameter has beenadded. If a vendor wishes to add a new value to some existingparameter, and there is no placeholder for a nonstandard ele-ment, one cannot be added. ... improves scalabil-ity and complexity. Furthermore, as it can use UDP as well asTCP, SIP supports native multicast signaling, allowing a single1The authors are not aware of any study measuring...
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Báo cáo lâm nghiệp: "A comparison of fitting techniques for ponderosa pine height-age models in British Columbia" potx
... The parameter estimates changed from variant tovariant, but the shape of the curves only changed marginally,at least within the range of the of the data.The statistical analysis shows that height ... distribution of the data showsthat the curve shapes are not well-supported by data at olderages and higher site indices. The curves for site indices 10 and15 m have a reasonable amount of data up to and ... 1985.[13] Klinka K., Worrall J., Skoda L., Varga P., The distribution andsynopsis of ecological and silvical characteristics of tree species of British Columbia’s forests, Canadian Cartographics Ltd.,...
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