very large data warehouses

... Pattern D is not so obviously bad as it Second, our data is so sparse that any such repeats differs from the plural case of pattern B only in the are very unlikely to manifest themselves as repeated ... invariant metrics can lead to bad results when used with sparse data In particular, if a part word p has occurred only once in the data in the AB patterns, then perforce p(w [ P) = for the entity ... account the quantity of data that supports its conclusion To put this another way, we want to pick (w,p) pairs that have two properties, p(w I P) is high and [ w, pl is large We need a metric...

Ngày tải lên: 20/02/2014, 19:20

... orthant-wise approach and yet to yield very comparable performance, while selecting slightly larger feature sets 507 Implementation Issues dealing with very large datasets) In our implementation, it ... same software package Second, the experimental demonstration that using large output label sets is doable and that very large feature sets actually help improve prediction accuracy In addition, ... for more powerful ways to distribute the computation when 4.3 Optimization in Large Parameter Spaces Processing very large feature vectors, up to billions of components, is problematic in many...

Ngày tải lên: 16/03/2014, 23:20

... apparatuses, and very similar results were obtained (not shown) This suggests that the synthesized process proposed in the present work is very simple and highly reproducible In other words, a very large ... Supplementary data Supplementary data associated with this article can be found, in the online version, at doi:10.1016/j.snb.2009.02.043 References Fig The estimation of response–recovery time from ... (0.4–0.6 sccm) It was used to synthesize in different evaporation apparatuses with very high reproducibility, and a very large- scale of the NWs was obtained The as-synthesis NWs were used to fabricate...

Ngày tải lên: 19/03/2014, 16:48

... confusion set disambiguation, which allows us to study the effects of large data sets on performance, is that labeled training data is essentially free, since the correct answer is surface apparent ... that a larger training corpus will reduce the data set variance and any bias arising from this Also, some of As a result of comparing a sample of two learners as a function of increasingly large ... Classifiers When Annotated Data Is Not Free While the observation that learning curves are not asymptoting even with orders of magnitude more training data than is currently used is very exciting, this...

Ngày tải lên: 23/03/2014, 19:20

... resources such as online lexicons and Wiktionaries However, while providing lexical resources on a very large scale for hundreds of thousands of language pairs, these not encode semantic relations ... 2002 MultiWordNet: Developing an aligned multilingual database In Proc of GWC-02, pages 21–25 Simone Paolo Ponzetto and Roberto Navigli 2009 Large- scale taxonomy mapping for restructuring and integrating ... Wikipage BALLOON ( AIR CRAFT ) is categorized as BALLOONS, BALLOONING, etc While many categories are very specific and not appear in WordNet (e.g., SWEDISH WRITERS or SCIENTISTS WHO COMMITTED SUICIDE),...

Ngày tải lên: 30/03/2014, 21:20

... AT modem commands Datasets were recorded on the second floor (beneath a wooden attic and a steel-sheet roof) of a Measurement sites and datasets 2.1 Data- taking environment The data used in our ... principal result, which including large numbers of GSM carriers in the RSS fingerprints leads to very good performance, is very clear 3.3.2 Results on the lab set The lab dataset is made up of 601 scans ... labeled data The remaining data are then divided into two subsets, one for the validation, and a second which is mixed with the unlabelled data to form a training set of partially labeled data The...

Ngày tải lên: 21/06/2014, 00:20

... path of one multiplier delay using very large number of pipelined registers, 52 registers In addition, it requires a total line buffer of size 6N, which is a very expensive memory component, while ... to the explosion of computer and electronics world VLSI integrated circuits are used everywhere in our everyday life, including microprocessors in personal computers, image sensors in digital ... Wireless data transmission and high-speed image processing devices have generated a need for efficient transform methods, which can be implemented in VLSI environment After the discovery of the...

Ngày tải lên: 28/07/2014, 00:01

... recent years, an attractive alternative to land reclamation has emerged – the very large floating structures technology Very large floating structures (VLFS) can and are already being used for storage ... INNOVATIVE SOLUTIONS FOR MINIMIZING DIFFERENTIAL DEFLECTION AND HEAVING MOTION IN VERY LARGE FLOATING STRUCTURES PHAM DUC CHUYEN B.Eng (NUCE), M.Eng (AIT) A THESIS SUBMITTED FOR THE ... effective, and environmentally friendly VLFS may undergo large differential deflection under heavy nonuniformly distributed loads and large motion under strong wave action These conditions may...

Ngày tải lên: 11/09/2015, 09:02

... FIGURES xvii LIST OF NOTATIONS xxv Chapter INTRODUCTION 1.1 Very Large Floating Structures 1.1.1 Definition of VLFS 1.1.2 Advantages of VLFS ... from the sea A relatively new approach to create a new land parcel from the sea is through the very large floating structure (VLFS) technology Proposed by the Japanese and the Americans, this new ... exploited due to the lack of technology available It was the British who introduced the use of very large floating articulated beam as wave energy converter The wave-induced motion of such floating...

Ngày tải lên: 14/09/2015, 08:36

... Mindlin Plate 87 Appendix B Boundary Integral Equation 97 iv Summary Summary Very Large Floating Structures (VLFS) is a promising technology that facilitates ocean space colonization, ... damping matrix { } Exciting Force vector xv xvi Chapter INTRODUCTION This chapter introduces Very Large Floating Structures (VLFS) as an emerging technology and solution for land creation from ... shorelines where waves are larger and have been exploited as early as the 1970s Introduction Pontoon-type floating structures are in direct contact to the water surface and utilize larger area than semi-submersibles,...

Ngày tải lên: 30/09/2015, 10:12

... the cost of sand for reclamation is very high In response to both the aforementioned needs and problems, engineers have proposed the construction of very large floating structures (VLFS) for ... PLATE 102 iv SUMMARY This thesis presents a hydroelastic analysis of pontoon-type, circular, very large floating structure (VLFS) under action of waves The coupled fluid-structure interaction ... for Analyzed Stepped Circular VLFSs 79 xiv Chapter INTRODUCTION This chapter introduces the very large floating structures (VLFSs) and their applications A literature review on hydroelastic...

Ngày tải lên: 22/10/2015, 21:14

... process Vertica: The Vertica database is a parallel DBMS designed for large data warehouses [3] The main distinction of Vertica from other DBMSs (including DBMS-X) is that all data is stored as columns, ... since analysis tasks on large data sets are often I/O bound, trading CPU cycles (needed to decompress input data) for I/O bandwidth (compressed data means that there is less data to read) is a good ... real-world data sets Each data file is stored on each node as a column-delimited text file 4.3.1 Data Loading We now describe the procedures for loading the UserVisits and Rankings data sets For...

Ngày tải lên: 19/02/2014, 12:20

... Annals of Mathematics, 158 (2003), 679–710 Approximating a bandlimited function using very coarsely quantized data: A family of stable sigma-delta modulators of arbitrary order By Ingrid Daubechies ... storage devices), making the “perfect” data unrecoverable by rounding off In this case, knowledge of the type of expected contamination can be used to protect the data, prior to transmission or storage, ... conversion, once one is firmly in the digital world.) The main reason for this is that it is very hard (and therefore very costly) to build analog devices that can divide the amplitude range [−A, A] into...

Ngày tải lên: 05/03/2014, 23:20

... (fn ) An intuitive explanation of VD (fn ) is as follows; if |VD (fn )| is large, the distribution of fn has either a large positive or negative correlation with the best ˆ output y given by the ... determines the number of condensed features to be made; the number of condensed features becomes large if δ is large Obviously, the upper bound of the number of condensed features is the number of original ... Chen et al., 2009; Suzuki et al., 2009) For the supervised datasets, we used CoNLL’03 (Tjong Kim Sang and De Meulder, 2003) shared task data for NER, and the Penn Treebank III 639 (PTB) corpus...

Ngày tải lên: 07/03/2014, 22:20

... collocations (78,251) Experiments 4.1 Text Data for Evaluation Prior to the experiments of Kana-to-Kanji conversion, we prepared a large volume of text data by hand which is formally a set of triples ... effectiveness of the large scale collocation data for the improvement of the conversion accuracy of Kana-to-Kanji conversion process used in Japmese word processors was chrified, by relatively large scale ... al., 1996 A Statistical Method for Extracting Uninterrupted and Interrupted Collocations l~om Very Large Corpora_ in Proc of 16th Internat Conf on Computational Linguistics (COLING 96) Viterbi,A.,J.,1967,F_gorBounds...

Ngày tải lên: 08/03/2014, 05:21

... A simple method based on thermal oxidation of Si wafers has been suggested for the large- scale synthesis of very long aligned silica nanowires The SiO2 nanowires were highly pure (no metal catalysis ... measured by a movable thermocouple mounted inside a thinner alumina tube that was inserted into the larger tube One end of the thinner tube was closed and located at the center of the furnace, while ... with a wavelength of 325 nm as the excitation source Results and discussion After the synthesis, a large quantity of white wool-like product covering approximately a cm region was formed on the silicon...

Ngày tải lên: 16/03/2014, 15:03

... from the corresponding LFG analysis, as illustrated by Figure and train the data- driven dependency parser on the enhanced data set We extend the feature model of the baseline parsers in the same ... combination of a grammar-driven LFG-parser and a data- driven dependency parser We have shown how the use of converted dependency structures in the training of a data- driven dependency parser, MaltParser, ... ±n = n positions to the left(−) or right (+) Parser stacking Results The procedure to enable the data- driven parser to learn from the grammar-driven parser is quite simple We parse a treebank with...

Ngày tải lên: 17/03/2014, 02:20

... our method on six large- scale natural language data sets (Table 1): Penn Treebank3 for part-of-speech tagging (PTB), phrase chunking data4 (CoNLL00), named entity recognition data5 (CoNLL03), ... grapheme-to-phoneme conversion data6 (NetTalk), spoken language understanding data (Communicator) (Jeong and Lee, 2006), and finegrained named entity recognition data (Encyclopedia) (Lee et al., ... only one parameter c for all labels in inactive set Table 1: Data sets: number of sentences in the training (#Train) and the test data sets (#Test), and number of output labels (#Label) |Aω=1...

Ngày tải lên: 23/03/2014, 17:20

... designed to help process very large amounts of data using hundreds or thousands of machines, the library must tolerate machine failures gracefully Worker Failure The master pings every worker periodically ... reduce task If the amount of intermediate data is too large to fit in memory, an external sort is used The reduce worker iterates over the sorted intermediate data and for each unique intermediate ... reexecution Any reduce task that has not already read the data from worker A will read the data from worker B MapReduce is resilient to large- scale worker failures For example, during one MapReduce...

Ngày tải lên: 30/03/2014, 16:20

... efficacy To our knowledge this is the largest LC-MS proteomics dataset generated to date We expect this dataset to be of substantial value for biomarker discovery and verification Methods Trypsin ... volunteer data sets There were 79 and 68 peaks detected in every healthy (n = 204) and every breast cancer baseline plasma (n = 216) sample, respectively A total of 50 peaks were detected in every ... discovery In addition, consistent data collected from large numbers of high quality samples will enable development of advanced informatic approaches to more effectively utilize proteomic data...

Ngày tải lên: 18/06/2014, 19:20