error modeling in gis

Congestion and Error Control in Overlay Networks

Congestion and Error Control in Overlay Networks

Ngày tải lên : 26/10/2013, 17:15
... packet transmitted in mini-cycle i is received in mini-cycle (i+1) and increases cwnd by one MSS. Further- more, ACKs for consecutive packets released in mini-cycle i arrive in intervals corresponding the service ... reception rate by not joining any enhancement layers. The reception rate of the receivers can be maintained by periodically joining layers. The reception rate may be increased by joining additional layers ... (OSPF) link state protocol. It uses Internet Group Management Protocol (IGMP) to monitor and maintain group memberships within the domain and OSPF link state advertisements to maintain a view...
  • 78
  • 320
  • 0
Tài liệu Báo cáo khoa học: "Automatic error detection in the Japanese learners’ English spoken data" pdf

Tài liệu Báo cáo khoa học: "Automatic error detection in the Japanese learners’ English spoken data" pdf

Ngày tải lên : 20/02/2014, 16:20
... by conducting experiments using our learner corpus, which contains information on learners’ errors. 1 Introduction One of the most important things in keeping up with our current information-driven ... to detecting these two kinds of errors. 3.2 Detection of omission-type errors Omission-type errors were detected by estimat- ing whether or not a necessary word string was missing in front ... automatically. In this paper, we introduce a method of detect- ing learners’ errors, and we examine to what ex- tent this could be accomplished using our learner corpus data including error tags...
  • 4
  • 293
  • 0
An Analysis of Geometric Modeling in Database Systems docx

An Analysis of Geometric Modeling in Database Systems docx

Ngày tải lên : 07/03/2014, 23:20
... f& all ui in (u,, . . . , us] do Ui:= ui * T; 2.3 Scaling An important concept in viewing geometric objects on a computer display is varying the size in form of scaling (or stretching). Vertices ... is, the engineer, in order to retrieve and manipulate the data because it requires an intrinsic knowledge of the underlying schema definition. In order to retrieve all the bounding vertices ... allow the modeling of engineering objects in a natural way-or at least they do not support the retrieval and manipulation of such objects in a way that is familiar to engineers. In particular,...
  • 45
  • 380
  • 0
Báo cáo khoa học: "Stochastic Discourse Modeling in Spoken Dialogue Systems Using Semantic Dependency Graphs" pdf

Báo cáo khoa học: "Stochastic Discourse Modeling in Spoken Dialogue Systems Using Semantic Dependency Graphs" pdf

Ngày tải lên : 08/03/2014, 02:21
... investigated. Three main services: registration information service, clinic information service, and FAQ information service are used. This system mainly provides the function of on- line registration. ... 4.10 2.70 9.11 13.96 12.81 13.46 11.56 10.71 9.76 4.70 4.35 2.75 02468101214 Others Registration revision Dr.'s inforamtion Time Greeting Clinic information Registration FAQ Dr. and Clinic Confirmatin (others) Confirmation (clinic) Cancel registration Figure 3 Frequencies ... computa- tion of meaning. World Scientific Publishing Co Inc. J. Gao, and H. Suzuki. 2003. Unsupervised learning of dependency structure for language modeling. In Proceedings of ACL 2003 ,...
  • 8
  • 358
  • 0
Innovations in GIS 4 ppt

Innovations in GIS 4 ppt

Ngày tải lên : 14/03/2014, 09:20
... terrain for an ever-increasing range of GIS applications. At the same time, GIS users are becoming increasingly aware of the effects of error in their applications. In the digital terrain modelling ... as error- directed point insertion. For the purpose of inserting constraining linear features into the pyramid, the method of classifying vertices by means of the vertical error criterion is inadequate, ... of researchers working in such disciplines as photogrammetry, surveying, cartography, civil and mining engineering, geology, geography and hydrology. The uncoordinated and independent nature...
  • 284
  • 3.7K
  • 0
Mathematical Modeling in Mechanics of Granular Materials potx

Mathematical Modeling in Mechanics of Granular Materials potx

Ngày tải lên : 16/03/2014, 22:20
... pure phenomenological modeling without taking into account the microstructural behavior. On the other hand, this approach is an engineering method in material modeling since the parameter identification ... total system for determining strain from given stress or stress from given strain for ε v >ε p . Hence it follows that strain is determined in terms of stress by integrating the differential ... added. Looking on the basics of this book it is obvious that the starting point is the method of rheological models. In Continuum Mechanics one can split the approaches in material modeling into three...
  • 395
  • 1.7K
  • 0
Báo cáo khoa học: "Using Deep Morphology to Improve Automatic Error Detection in Arabic Handwriting Recognition" pot

Báo cáo khoa học: "Using Deep Morphology to Improve Automatic Error Detection in Arabic Handwriting Recognition" pot

Ngày tải lên : 17/03/2014, 00:20
... identifying semanti- cally inconsistent error words. In the future, we plan to continue improving our system by considering smarter trainable combina- tion techniques and by separating the training ... Effect of Training Data Size In order to allow for rapid examination of multi- ple feature combinations, we restricted the size of the training set (S) to maintain manageable train- ing times. ... models were trained on the {S=4000, H=10} training set. train is less than dev and train: 63% versus 81%, respectively on {S=4000}. 5.5 Preliminary Combination Analysis In a preliminarily investigation...
  • 10
  • 521
  • 0
Báo cáo khoa học: "Using Chunk Based Partial Parsing of Spontaneous Speech in Unrestricted Domains for Reducing Word Error Rate in Speech Recognition" potx

Báo cáo khoa học: "Using Chunk Based Partial Parsing of Spontaneous Speech in Unrestricted Domains for Reducing Word Error Rate in Speech Recognition" potx

Ngày tải lên : 23/03/2014, 19:20
... from putting efforts into further training. ã alternative language models: An idea for im- provement here is to integrate skipped words into the LM (similar to the modeling of noise in speech). ... hypotheses in the reranked Nbest lists. 1 Introduction In the area of parsing spontaneous speech, most work so far has primarily focused on dealing with texts within a narrow, well-defined domain. ... Using Chunk Based Partial Parsing of Spontaneous Speech in Unrestricted Domains for Reducing Word Error Rate in Speech Recognition Klaus Zechner and Alex Waibel Language Technologies Institute...
  • 7
  • 388
  • 0
Báo cáo khoa học: "Modeling Inflection and Word-Formation in SMT" doc

Báo cáo khoa học: "Modeling Inflection and Word-Formation in SMT" doc

Ngày tải lên : 24/03/2014, 03:20
... their POS tags in the input. Verbs are in ected in the input (“haben”, meaning “have” as in “they have”, in the example). Prepositions are lexicalized (“zu” in the example) and indicate which case ... BLEU. We again see many in- teresting generalizations. For instance, take the case of translating English miniature cameras to the German compound Miniaturkameras. minia- ture camera or miniature ... occur in the training data, and so there is no appropri- ate phrase pair in any system (baseline, in ec- tion, or in ection&compound-splitting). How- ever, our system with compound splitting...
  • 11
  • 491
  • 0
Probabilistic Modeling in Bioinformatics and Medical Informatics potx

Probabilistic Modeling in Bioinformatics and Medical Informatics potx

Ngày tải lên : 29/03/2014, 11:20
... N.Asin Figure 1.4, the uncertainty decreases with increasing sample size N ,which reflects the obvious fact that our trust in the estimation increases as more training data become available. Since ... Friedman. Learning belief networks in the presence of missing values and hidden variables. In D. H. Fisher, editor, Proceedings of the Four- teenth International Conference on Machine Learning (ICML), ... in bioinformatics and in medical informatics, were quite ad hoc. In recent years, however, substantial progress has been made in our understanding of and experience with probabilistic modelling....
  • 510
  • 302
  • 0
Báo cáo khoa học: "Distributed Word Clustering for Large Scale Class-Based Language Modeling in Machine Translation" docx

Báo cáo khoa học: "Distributed Word Clustering for Large Scale Class-Based Language Modeling in Machine Translation" docx

Ngày tải lên : 31/03/2014, 00:20
... in the log-linear com- bination in Eq. (11). The weights are trained using minimum error rate training (Och, 2003) with BLEU score as the objective function. The dev and test data sets contain ... pruning and clustering. In Proceedings of the IEEE International Conference on Spoken Language Processing (ICSLP), Beijing, China. Joshua Goodman. 2000. A bit of progress in language modeling. ... expect to be able to increase the gains resulting from using class-based models by using more sophisticated techniques for combining them with word-based models such as linear inter- polations of...
  • 8
  • 336
  • 0
Báo cáo khoa học: "Error mining in parsing results" doc

Báo cáo khoa học: "Error mining in parsing results" doc

Ngày tải lên : 31/03/2014, 01:20
... France {benoit.sagot,eric.de_la_clergerie}@inria.fr Abstract We introduce an error mining technique for automatically detecting errors in re- sources that are used in parsing systems. We applied this technique on parsing re- sults ... distinct parsing systems, which share the syntactic lexicon and the pre-parsing processing chain. We were thus able to identify missing and erroneous informa- tion in these resources. 1 Introduction Natural ... 2006. c 2006 Association for Computational Linguistics Error mining in parsing results Benoợt Sagot and Éric de la Clergerie Projet ATOLL - INRIA Domaine de Voluceau, B.P. 105 78153 Le Chesnay...
  • 8
  • 294
  • 0
modeling in transport phenomena, second edition a conceptual approach

modeling in transport phenomena, second edition a conceptual approach

Ngày tải lên : 02/04/2014, 15:49
... is subjected to a 4 m/s wind with a temperature of −10 ◦ C. 3 INTERPHASE TRANSPORT AND TRANSFER COEFFICIENTS In engineering calculations, we are interested in the determination of the rate of ... 39.859.7 Comment: The increase in surface roughness increases the friction factor and hence power consumption. On the other hand, the increase in surface roughness causes an increase in the heat transfer ... across the phase interface. This can be achieved by integrating the flux expression over the interfacial area. Equation (2.4-2) gives the value of the flux at the interface as  Interphase flux  =  (Diffusivity)  Gradient...
  • 606
  • 544
  • 0
molecular modeling in heavy hydrocarbon conversions

molecular modeling in heavy hydrocarbon conversions

Ngày tải lên : 02/04/2014, 15:50
... and seeding–deseeding ideas, in situ processing including on- the-fly generalized isomorphism-based lumping and stochastic sampling, and postprocessing including species-based or reaction-based ... 11.3 Kinetics 191 11.3.1 Intrinsic Kinetics 191 11.3.2 Coking Kinetics 192 11.4 Model Diagnostics and Results 193 11.5 Mechanistic Model Learning as a Basis for Pathways Level Modeling 194 11.6 ... Organizing Kinetic Model Parameters 59 elementary reactions in the complex process are counted in the reaction network. For example, in the mechanistic level modeling of thermal cracking, all...
  • 247
  • 311
  • 0