a lda based classifier for imbalanced data sets

... [http://www.ebi.ac.uk/ena/ data/ view/ERP000619] 28 Affymetrix - Sample Data, Exon 1.0 ST Array Dataset [http://www affymetrix.com/support/technical/sample _data/ exon_array _data. affx] 29 Akira S, Takeda K: ... of the Barres Lab (Stanford), Myers Lab (HudsonAlpha Institute), Ravits Lab (Benaroya Institute) and Maniatis Lab (Harvard/Columbia) for providing data and/or user feedback This work was supported ... data Brad A Friedman1,2,3* and Tom Maniatis4 Abstract RNA-Seq and microarray platforms have emerged as important tools for detecting changes in gene expression and RNA processing in biological...

Ngày tải lên: 09/08/2014, 23:20

... system variables Data variable number Data variable name Type of data Data variable categories or values Definition of data variable Highest Level of EMS provider on scene Ordinal = EMS non-Paramedic ... survival data The panel recommended that only survival data available from the pre-hospital phase be recorded as core data, with the variables of dead or alive on arrival at the hospital or dead ... final manuscript Additional material Additional file Optional data variables All 19 optional data variables with variable categories and definitions Click here for file [http://www.biomedcentral.com/content/supplementary/17577241-17-58-S1.DOC]...

Ngày tải lên: 13/08/2014, 23:21

... reduction is available as MATLAB code in Additional data file 9, and updated versions will be made available online [51] Additional data files The following additional data are available with the ... the analysis Additional data file is a description of SVD and the method of entropy calculation Additional data file is a text file containing the log ratio expression data Additional data file ... genes associated with a functional category or a particular transcriptional factor are learned from unclassified data In an insightful analysis of functional classes in classification of microarray...

Ngày tải lên: 14/08/2014, 16:21

... 2.3.2.3 Data access tier It consists of the database server that contains all logic data of application Separating logic data from application into it will make program scalable and higher performance ... operating system - Easy to manage, update database: Database is located at dedicated server that managers can maintain and update it easily - Quick delivery: web -based model make it portable to be delivered ... applications today use Relational Database Management System (RDBMS) using Structure Query Language (SQL) to store and manipulate data logic There are many available options to implement data...

Ngày tải lên: 27/10/2012, 16:40

... [3] David E Johnson and Paul M Postal Are Pair Grammar Princeton University Press, 1980 [4] Ronald Kaplan and Joan Bresnan Lexicalfunctional grammar, a formal system for grammatical representation ... Pennsylvania, 1990 single-rooted, slashed arcs must eventually unify with another arc To sum up: We have developed a unificationbased, chart parser for relational grammars based on the SFG formalism ... (left), as appropriate [Hi:gave A [1):Joe A [3, ) : Mary A [2, ) : t e a In RG, the clause-level syntactic information captured in R1 combines two statements: one characterizing gave as taking an...

Ngày tải lên: 20/02/2014, 21:20

... resources Data Storage and Processing Facilities As a data sharing and MT platform, the LetsMT! system has to store and process large amounts of SMT training data (parallel and monolingual corpora) as ...  A flexible key-value store for metadata;  Access-control mechanisms defining three levels of permission (private data, public data, shared data) ;  Data import modules that include tools for ... integrate a modern key-value store into the platform in order to allow a maximum of flexibility In contrast to traditional relational databases, key-value stores allow the storage of arbitrary data...

Ngày tải lên: 07/03/2014, 18:20

... section Empirical Evaluation In order to get a first estimate of the empirical accuracy that can be obtained with transition -based 2-planar parsing, we have evaluated the parser on four data sets from ... Oracles for practical parsers can be obtained by training classifiers on treebank data (Nivre et al., 2004) 4.2 A Transition System for Planar Structures A correct transition system for the class ... European Chapter of the Association for Computational Linguistics (EACL), pages 291– 299 ˇ Jan Hajiˇ , Otakar Smrˇ , Petr Zem´ nek, Jan Snaidauf, c z a and Emanuel Beˇka 2004 Prague Arabic des...

Ngày tải lên: 07/03/2014, 22:20

... Google AJAX Search API are JavaScript objects that can be directly inserted in the visualisation using the Google Maps API Data Collection Using Corpora for Generation A data- driven generation approach ... landmarks in the queried area as an XML file that specifies GPS coordinates and additional information The XML files are parsed using a JavaScript implementation of a SAX parser The coordinates ... approach achieves a number of advantages over traditional approaches for our scenario First of all, corpus data can be used to learn directly how certain events are typically expressed in natural...

Ngày tải lên: 17/03/2014, 02:20

... Conference on Natural Language Learning, pages 152–164 Association for Computational Linguistics Hamish Cunningham, Diana Maynard, Kalina Bontcheva, Valentin Tablan, Niraj Aswani, Ian Roberts, Genevieve ... Extraction (IE) tasks (Figure 2) Additional aspects of annotations can be marked using attributes, binary or multi-valued flags that can be added to other annotations Finally, annotators can attach ... separate “save” operation and thus a minimal risk of data loss, and as the authoritative version of all annotations is always maintained by the server, there is no chance of conflicting annotations...

Ngày tải lên: 17/03/2014, 22:20

... unique path expressions As an example, Figure 10 is a screen snapshot of the Java presentation of a DataGuide This DataGuide summarizes an existing database for Stanford's Database Group, similar ... no path expressions that not exist in the database In typical situations, the DataGuide is signi cantly smaller than the original database Figure shows a DataGuide for the sample OEM database ... standard operators such as Scan and Join, some take an original avor For example, Scan may take as argument a general path expression, and therefore may entail complex searches in the database...

Ngày tải lên: 23/03/2014, 12:20

... 0.12 Table F1-measure for Features vs Abstractness: ODP/is -a WordNet For example, under artificial intelligence, ODP has neural networks, natural language and academic departments Clearly, academic ... cluster for small corpora In addition, clustering -based approaches had only applied to solve is -a and sibling relations Many clustering -based approaches face the challenge of appropriately labeling ... mentioned earlier, two main approaches are patternbased and clustering -based Pattern -based approaches are the main trend for automatic taxonomy induction Though suffering from the problems of sparse...

Ngày tải lên: 30/03/2014, 23:20

... in Flint in Wales, but always visited Talacra on the coast and has clear memories of it Eventually her father built a bungalow at Talacra and she recalls many holidays, including a sad one when ... that steals lives and tears at the hearts of families, but that relative to its impact is hardly acknowledged Dementia is simply a terrible disease And it is a scandal that we as a country haven’t ... anthropologist, a linguist, and a literary specialist are combined in the analysis of quantitative and qualitative data, seeking to establish ‘mechanisms of action’ in the shared reading model (group dynamics,...

Ngày tải lên: 02/06/2014, 09:21

... vibration signal as an aspiration when a swallow has actually occurred, whereas a false negative (FN) is the event of classifying a vibration signal as a swallow when an aspiration has actually occurred ... Aspiration classifier The proposed feature combinations and radial basis classifier achieved approximately 80% adjusted accuracy in classifying aspirations and swallows This accuracy level already exceeds ... unbalanced We thus also examine classifier performance on aspirations and swallows individually Sensitivity is the proportion of actual aspirations that are correctly classified as aspirations, Page...

Ngày tải lên: 19/06/2014, 10:20

... significant at p < 0.05 ROM and NZ are Results Nucleotomy was performed by a standard microsurgical interlaminar approach Intradiscal implantation of the PGA-HA nucleus-implant as well as sealing ... was approached from laterally, we performed a microsurgical dorsal approach, commonly utilized for lumbar disc herniations With this standard approach, lateral parts of the annulus and even lateral ... However, analyzing all samples individually revealed a trend toward reduction of the NZ in every single sample with implantation of the PGA-HA nucleus-implant Statistical Analysis For statistical analysis,...

Ngày tải lên: 20/06/2014, 04:20

... in the operational constraint that two such sessions cannot actively use a narrowband channel at the same instant Dashouk and Alanyali EURASIP Journal on Wireless Communications and Networking ... interference radius Leith-Clifford’s performance deteriorates for decreasing channel availability compared with the gradient ascent -based methods which again display close performance between each other ... re-parametrization of this problem that provides insight on dynamics of optimal, CSMA -based medium access algorithms CSMA -based utility optimization CSMA is a fundamental medium access method that...

Ngày tải lên: 21/06/2014, 02:20

... source message against potential attacks The second approach uses more efficiently the available channel feedback and extracts the MUD gain by employing an adaptive PA scheme This adaptive PA adjusts ... Communications and Networking B The PDF of the Random Variable A/ f ∗ Let f ∗ be a random variable that is equal to the maximum among K i.i.d exponential random variables with a parameter λ f If A ... assumes that the instantaneous eavesdropper link can be estimated) and thus are suitable for practical applications where the knowledge of the instantaneous sourceeavesdropper link is not available...

Ngày tải lên: 21/06/2014, 05:20

... based on partial information (or a state space model using partial information) about the entire system The notion of partial information has several strong implications For example, a centralized ... streams,” in XML -Based Data Management and Multimedia Engineering, 2002 B Babcock, S Babu, M Datar, and R Motwani, “Chain: operator scheduling for memory minimization in data stream systems,” in ... optimal algorithm for reconfiguration, it is necessary to have a model of EURASIP Journal on Advances in Signal Processing stream dynamics Stream dynamics a ect the APP of positive data arriving at...

Ngày tải lên: 21/06/2014, 19:20

... sectorization and BS antenna radiation pattern has also been studied Cells sectorization and use of narrow beam BS antennas increase Konstantinos B Baltzis significantly the capacity of a cellular ... Chapman & Hall/CRC, Boca Raton, Fla, USA, 2nd edition, 2002 [17] L E Br˚ ten, M Pettersen, and A Spilling, “An evaluation a of adaptive arrays for a UMTS FDD network deployed in a suburban area ... Mediterranean Microwave Symposium, pp 1–5, Budapest, Hungary, July 2007 [20] I A Aldmour, K Al-Begain, and A I Zreikat, “Uplink capacity/coverage analysis of WCDMA with switched beam smart antennae,”...

Ngày tải lên: 21/06/2014, 23:20

... obtained from a static camera However, when there is camera pan or zoom, or sharp change in illumination, and so forth, the performance may not be satisfactory For example, when there is a pan ... at Yahoo!, she was with Applied Research Group as a Principle Research Scientist in Multimedia Group Before that she worked at Strand Genomics, Bangalore, with Data Mining Group as a Consultant ... main motivations for us is that simple motion information is adequate for perceiving movement at a level of detail sufficient in many applications Human abilities at perceiving motion are remarkably...

Ngày tải lên: 22/06/2014, 23:20

... knowledge about each active user and their relevant parameters The accurate estimate and knowledge of the active users and their parameters play a significant role in the success of a multiuser ... easy to find An Algorithm for Blind User Identification in Multiuser CDMA 653 For a special case where there are many active users, the probability density function p(zi ) can be approximated as ... MUSIC, we apply a transformation on the received signal and then inspect the statistics of the results The transformation has to be able to separate different users’ signals to avoid their statistics...

Ngày tải lên: 23/06/2014, 01:20