large collections with mapreduce

... Data-Intensive Text Processing with MapReduce. Morgan & Claypool Publishers. Mitchell P. Marcus, Beatrice Santorini, and Mary A. Marcinkiewicz. 1994. Building a large annotated corpus of english: ... regular percepton trained se- rially on all the training data with the distributed perceptron trained with iterative parameter mix- ing with variable number of splits S ∈ {10, 20}. For each system, ... Computational Linguistics HadoopPerceptron: a Toolkit for Distributed Perceptron Training and Prediction with MapReduce Andrea Gesmundo Computer Science Department University of Geneva Geneva, Switzerland andrea.gesmundo@unige.ch Nadi...

Ngày tải lên: 17/03/2014, 22:20

... prognosis at the individual level and transmission within the community. This corresponds to previous studies. (22,23) With the emergence of HIV with tuberculosis co-infection, it is of primary ... eventual outcomes. Data are expressed numerically, with percentages of groups where applicable. Variations within categories are shown as means with ranges where appropriate. Comparative data ... clinical presentation and mortality associated with patients with tuberculosis who were admitted to the ICU. The records of a total of 33 patients with tuberculosis requiring admission to the...

Ngày tải lên: 15/02/2014, 12:20

... data. The simplicity of our approach also contrasts with recent work on language modeling with tree sub- stitution grammars (Post and Gildea, 2009), where larger treelet contexts are incorporated by ... as that of Galley et al. (2006), combined with an efficient pruning strategy like cube pruning (Chiang, 2005), should be able to integrate our model without much difficulty. That said, for evaluation ... case, we would like to pick h to be large enough to capture relevant dependencies, but small enough that we can obtain meaningful es- timates from data. We start with a straightforward choice of...

Ngày tải lên: 19/02/2014, 19:20

... fungi with one, two or even up to nine SRPK genes [S. cerevisiae and S. pombe with one gene (Sky1 and Dsk1, respectively); Candida albicans with two (QSAA48 and QS9Q27); Aspergilus niger with ... association with specific members of molecular chaperones (Fig. 1). Thus, direct interaction of SRPK1 with cochaperones Aha1 and heat shock protein Hsp40 mediates the for- mation of a complex with the ... central function of p32 protein is to associate with and impair the phosphorylation of RS domains. p32 protein may obstruct the interaction of PGC-1a with FOXO-1 that requires the RS domain, thus...

Ngày tải lên: 06/03/2014, 01:20

... Mathematics Ergodic properties of rational mappings with large topological degree By Vincent Guedj RATIONAL MAPPINGS WITH LARGE TOPOLOGICAL DEGREE 1597 Recall that (f n ) ∗ dd c S ... 1589–1607 Ergodic properties of rational mappings with large topological degree By Vincent Guedj Abstract Let X be a projective manifold and f : X → X a rational mapping with large topological degree, d t > ... also shows that µ f is an invariant measure with positive entropy ≥ log d t > 0. Thus f has positive topological entropy. RATIONAL MAPPINGS WITH LARGE TOPOLOGICAL DEGREE 1607 [RS 97] A. Russakovskii and...

Ngày tải lên: 06/03/2014, 08:21

Ngày tải lên: 09/03/2014, 01:20

... for SiC–SiO 2 nanowires decorated with carbon nanoparticles has same origin with that reported by Ishikawa et al. At the end, we briefly discuss the synthesis process of SiC–SiO 2 nanowires decorated with carbon nanoparticles. ... the SiC–SiO 2 nanowires decorated with carbon nanoparticles. In XRD pattern, five peaks indexed with (1 1 1), (2 0 0), (2 2 0), (3 1 1), and (2 2 2) are consistent with the standard face-centered ... SiC–SiO 2 core–shell nanowires decorated with carbon nano- particles and their origins were discussed. A possible synthesis mechanism of SiC–SiO 2 core–shell nano- wires decorated with carbon nanoparticles...

Ngày tải lên: 16/03/2014, 15:08

... is substantially larger than its higher plant counterpart Studies with Arabidopsis and other vascular plants have shown that eight nucleus-encoded ClpP ⁄ R proteins associate with the plastid-encoded ... derived from an unusually large clpP1 gene. This protein (clpP1 H ) is predicted to expose a large IS1 domain on the apical surface of the ClpP barrel, probably interfering with the docking of HSP100 chaperones. Experimental ... aligned with clustalw, and the alignment was edited with the program bioedit. Protein distances were calculated using the pam matrix, and a Neighbor phylogenic tree (randomized: 65; 5) was derived with...

Ngày tải lên: 16/03/2014, 23:20

... is underway with annotation for a different two- class annotation set and for a multi-class task. Second, it appears that the concept of segmentation on the adjacency pair level, with this ... segmentation to examine the structure of segments, especially the sequences of dialogue acts within them, with a view to improving a dialogue act tagger. Acknowledgements Thanks to Alan Dench and ... included a posting on the university events mailing list, sent to people associated with the university, but with no particular linguistic training. Linguistics first-year students and Computer...

Ngày tải lên: 17/03/2014, 01:20

... 3 shows the frame annotation associated with (1). Frames are drawn as flat trees. The root node is labelled with the frame name. The edges are labelled with abbreviated FE names, like SPKR for ... pinkal}@coli.uni-sb.de Abstract We describe the ongoing construction of a large, semantically annotated corpus resource as reliable basis for the large- scale acquisition of word-semantic infor- mation, e.g. ... discussed in connection with the SENSEVAL task (Kilgarriff and Rosenzweig, 2000). Annotation of frame semantic roles compounds the problem as it combines word sense assignment with the assign- ment...

Ngày tải lên: 17/03/2014, 06:20

... unification-based framework with large- coverage gram- mars and how from their usage lexi- cal entries are extracted. To keep the time and space usage during parsing within bounds, information ... acquired lexical entries, and the efficiency with which parsing with unknown words takes place. We have already discussed where the ambiguity arises with unknown words. One of the goals that we ... and processing with linguistically rich frame- works more specifically, unknown words are a problem. The following gives an idea of the extent of the problem. In an evaluation of a large- scale grammar...

Ngày tải lên: 17/03/2014, 22:20

... programmers without any experience with parallel and distributed systems to eas- ily utilize the resources of a large distributed system. Our implementation of MapReduce runs on a large cluster ... and extending the user-level MapReduce API with a num- ber of new features based on his experience with using MapReduce and other people’s suggestions for enhance- ments. MapReduce reads its input ... and handle failures conspire to obscure the original simple compu- tation with large amounts of complex code to deal with these issues. As a reaction to this complexity, we designed a new abstraction...

Ngày tải lên: 30/03/2014, 16:20

... feature vector v . The type with the highest probability will be output as the class label for the mention pair. We now describe a supervised baseline system with a very large set of features and ... PRO (pronoun). A relation was defined over a pair of entity mentions within a single sentence. The 7 major relation types with examples are shown in Table 1. ACE 2004 also defined 23 relation ... who augmented name tagging training data with hierarchical word clusters generated by the Brown clustering algorithm (Brown et al., 1992) from a large unlabeled corpus. They used different...

Ngày tải lên: 30/03/2014, 21:20

... publicly available online QA collections to investigate features for answer ranking without the need for costly human evaluation, (b) we can exploit large and noisy online QA collections to improve ... dealing with complex questions, using a large number of, possi- ble noisy, question-answer pairs. By focusing exclu- sively on textual content we increase the portability of our approach to other collections ... research on NLP for non-factoid QA systems, without any annotation or evaluation cost. This pro- vides an excellent framework for large- scale experi- mentation with various models that otherwise might be...

Ngày tải lên: 31/03/2014, 00:20

... Representation Structures (DRSs). DRT is a formal semantic theory backed up with a model theory, and it demonstrates a large coverage of lin- guistic phenomena. Boxer follows the formal the- ory ... enables Boxer to deal with cross-sentential phenomena such as pronouns and presupposition. Boxer provides various output formats. The de- fault output is a DRS in Prolog format, with dis- ______________________ | ... detailed out- put provided by Boxer make it ideal for large- scale open-domain QA. 7 Conclusion Linguistically motivated NLP can now be used for large- scale language processing applications. The C&C...

Ngày tải lên: 31/03/2014, 01:20

Ngày tải lên: 06/05/2014, 13:27

Ngày tải lên: 18/06/2014, 22:20

Ngày tải lên: 21/06/2014, 04:20

Ngày tải lên: 22/06/2014, 19:20