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Instance selection

Xem 1-20 trên 41 kết quả Instance selection
  • The performance of BPLSH is benchmarked against four approaches on different classification problems. The experimental results indicate that BPLSH outperforms the other methods in terms of classification accuracy, preservation rate, and execution time.

    pdf20p guernsey 28-12-2021 11 0   Download

  • The paper depicts complete study about the second method with some proposed algorithms. It focuses mainly on binary classification with kNN and SVM for imbalanced data. Experiments and comparisons among related methods will confirm pros and coin of each method with respect to performance accuracy and time consumption.

    pdf20p viguam2711 11-01-2021 10 2   Download

  • Compound selectivity is an important issue when developing a new drug. In many instances, a lack of selectivity can translate to increased toxicity. Protein kinases are particularly concerned with this issue because they share high sequence and structural similarity. However, selectivity may be assessed early on using data generated from protein kinase profiling panels.

    pdf12p vioklahoma2711 19-11-2020 9 1   Download

  • Alternative splicing is an important cellular mechanism that can be analyzed by RNA sequencing. However, identification of splicing events in an automated fashion is error-prone. Thus, further validation is required to select reliable instances of alternative splicing events (ASEs).

    pdf13p vioklahoma2711 19-11-2020 14 0   Download

  • The resulting front is the solution to the problem. To validate the methodology we use instances from the specialized literature, which have been used for the multi-depot routing problem (MDVRP). The results obtained provide very good quality. Finally, decision criteria are used to select the most appropriate solution for the front, both from the point of view of the balance and the route cost.

    pdf14p toritori 11-05-2020 11 0   Download

  • Branch canker caused by Macrophoma theicola is a major stem disease of tea plants (Camellia spp.). In tea plantations, this disease causes crop loss and it is one of the major limiting factor for yield stagnation. In very few instances it causes considerable damage in new clearings (about 3 or 4 years old) and large number of bushes have been killed.

    pdf6p vishikamaru2711 29-04-2020 10 0   Download

  • The paper highlights cost and returns of coffee growing by tribal farmers at Paderu division in Visakhapatnam district of Andhra Pradesh.Data collection was done using pre tested questionnaire administrated on 90 coffee producers selected randomly. According to the study small scale traditional farms had negligible fixed costs. So we have not taken the fixed costs in computation of cost of cultivation of coffee in the present study. The gross margin analysis indicates average total variable cost of coffee was Rs.

    pdf8p caygaocaolon3 27-02-2020 16 0   Download

  • Cloud computing is a pattern for delivering ubiquitous and on demand computing resources based on pay-as-you-use financial model. Typically, cloud providers advertise cloud service descriptions in various formats on the Internet. On the other hand, cloud consumers use available search engines (Google and Yahoo) to explore cloud service descriptions and find the adequate service. Unfortunately, general purpose search engines are not designed to provide a small and complete set of results, which makes the process a big challenge.

    pdf8p trinhthamhodang1 14-11-2019 20 2   Download

  • In all instances, interviewees were given the option of speaking for attribution or off-the-record, and almost all respondents elected to speak off-the-record. A complete listing of the more than 100 interviewees for the overall study will be included as an appendix to the final report. The selection of interviewees considered that individuals from the bench scientist through the agency staff analyst to the politically appointed decisionmaker, as well as advocates from outside the agency, would provide informative perspectives.

    pdf30p loixinloi 08-05-2013 71 3   Download

  • The two volumes here published contain but a small selection from the numerous writings of Acton on a variety of topics, which are to be found scattered through many periodicals of the last half-century. The result here displayed is therefore not complete. A further selection of nearly equal quantity might be made, and still much that is valuable in Acton's work would remain buried. Here, for instance, we have extracted nothing from the Chronicle; and Acton's gifts as a leader-writer remain without illustration. Yet they were remarkable.

    pdf351p nhokheo9 06-05-2013 56 2   Download

  • We explore learning prepositionalphrase attachment in Dutch, to use it as a filter in prosodic phrasing. From a syntactic treebank of spoken Dutch we extract instances of the attachment of prepositional phrases to either a governing verb or noun. Using cross-validated parameter and feature selection, we train two learning algorithms, TB I and RIPPER, 011 making this distinction, based on unigram and bigram lexical features and a cooccurrence feature derived from WWW counts.

    pdf8p bunthai_1 06-05-2013 51 1   Download

  • Even if one expects TV-channels to select their program-mixes mainly by relying on the preferences of TV-viewers for the content of these programs, they cannot neglect the side-effects of their selection on their advertising rev- enues. For instance, a TV-channel can possibly compensate a loss in the audience resulting from an increase in its advertising rate by increasing the fraction of its broadcasting time devoted to sport, at the expense of the share devoted to culture.

    pdf0p dambaotaikhoan 06-05-2013 55 3   Download

  • Load new kinds of image files at runtime, such as progressive JPEG images and non- animated GIF and PNG files. If you load an animated file, the first frame of that animation appears in the SWF file. Bitmap caching lets you improve the performance of your applications at runtime by caching a bitmap representation of your vector button or movie clip instances at runtime. You can use ActionScript code to access this property or select the instance and then select an option in the Property inspector to cache the instance.

    pdf76p thamgiacongdong 02-05-2013 41 7   Download

  • Disaster recovery back-up tapes or other media should be kept solely as a security precaution and are not intended to serve as a records retention tool. In the case of disaster, the back-up would be used to restore lost records. Agency records that have not met their retention should not be disposed of on the basis of the existence of a back-up. If, for any reason (for instance, a disaster erases e-mails on an agency server), the only existing copy of an item that has not met its retention period is on a back-up tape or other medium, the agency must...

    pdf84p dacotaikhoan 26-04-2013 53 12   Download

  • There are several ways in which poultry manure can be collected and processed. Several factor such as operation size, climate, animal type etc. will determine what type of system is used in what kind of circumstances. It should be noted that in many instances, the strongest influence on which system is used is the economics (costs) of the system. Each system has its own merits and costs, but careful consideration must be used in order to select a system which will make the most efficient use of the factors in which it will be operated. This review will discuss several of these...

    pdf211p loginnhanh 22-04-2013 60 4   Download

  • W e present a method for automatically identifying verbal participation in diathesis alternations. Automatically acquired subcategorization frames are compared to a hand-crafted classification for selecting candidate verbs. The m i n i m u m description length principle is then used to produce a model and cost for storing the head noun instances from a training corpus at the relevant argument slots.

    pdf3p bunrieu_1 18-04-2013 47 2   Download

  • We present a novel framework for the discovery and representation of general semantic relationships that hold between lexical items. We propose that each such relationship can be identified with a cluster of patterns that captures this relationship. We give a fully unsupervised algorithm for pattern cluster discovery, which searches, clusters and merges highfrequency words-based patterns around randomly selected hook words. Pattern clusters can be used to extract instances of the corresponding relationships. ...

    pdf9p hongphan_1 15-04-2013 45 2   Download

  • In bootstrapping (seed set expansion), selecting good seeds and creating stop lists are two effective ways to reduce semantic drift, but these methods generally need human supervision. In this paper, we propose a graphbased approach to helping editors choose effective seeds and stop list instances, applicable to Pantel and Pennacchiotti’s Espresso bootstrapping algorithm. The idea is to select seeds and create a stop list using the rankings of instances and patterns computed by Kleinberg’s HITS algorithm. ...

    pdf7p hongdo_1 12-04-2013 54 2   Download

  • Local institutional investors in Brazil—pension funds and mutual funds—have been less active in the equity market. For instance, mutual funds’ asset allocation has been concentrated in safe and liquid assets such as government bonds and repo transactions. Pension funds, whose return target is typically set to achieve a certain spread over the rate of inflation in the context of a high short-term interest rate environment, tend to invest in inflation-linked bonds rather than equities.

    pdf22p hongphuocidol 04-04-2013 76 8   Download

  • As the market leader in digital signage, NEC offers a large selection of powerful digital signage solutions that can provide reliable outstanding images over long periods of use. Digital Signage can serve several purposes such as informing, entertaining or providing a purchasing incentive. For instance, a public display with tantalising content placed above a concession stand can boost sales of popcorn, cola and other items.

    pdf0p khanhchilam 01-04-2013 48 7   Download

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