Báo cáo khoa hoc:" A comparison of meningococcal carriage by pregnancy status" pps

... power and an alpha of 0.05. Background Neisseria meningitidis, simply known as meningococcus, is a gram negative bacterium and a leading cause of bac- terial meningit is. Nasopha ryngeal carriage ... a woman to being an asympto- matic carrier. To test that hypothesis, we plan ned a cross-sectional observational study of nasopharyngeal carriage of meningococcus to compare r...

Ngày tải lên: 11/08/2014, 07:21

... may not be accepted readily. Commentary A comparison of decision-making by physicians and administrators in healthcare settings David S Matheson and Niranjan Kissoon Department of Pediatrics, University ... 2). Decision-making in healthcare settings is intimately tied to these behaviors and relationships. A respect for hierarchy and an acceptance of deceit for the sake of the...

Ngày tải lên: 13/08/2014, 03:20

... Computa- tional Natural Language Learning (CoNLL 2005 shared task), Ann Arbor(MI), USA. Palmer, Martha, Dan Gildea and Paul Kingsbury. 2005. The Proposition Bank: An Annotated Corpus of Semantic ... same predicate-argument relationship, and could be encoded in various ways that take ad- vantage of the additional semantic and lexical information that is provided. To compare tradition...

Ngày tải lên: 20/02/2014, 12:20

... inversion transduction grammars and bilingual parsing of parallel corpora. Computational Linguistics, 23(3):374. K. Yamada and K. Knight. 2001. A syntax-based statisti- cal translation model. ... brackets indicate an in- verted combination: A 1 A 2  means that A 1 A 2 ap- pears in the English sentence, while A 2 A 1 appears in the Foreign sentence. Used as a word aligner, an...

Ngày tải lên: 08/03/2014, 21:20

... (:4), aimed at showing that Kil- bury's algorithm handles right recursion worse than Earley's algorithm, illustrates this: Assume a grammar with rules S * Ae, A * aA, A -* b and a sentence ... example the case with the Cocke Kasami- Younger algorithm (Aho and Ullman 1972). A problem with this approach is that the analy- sis of the first part of a phrase has no i...

Ngày tải lên: 09/03/2014, 01:20

... (ITF). A direct comparison reveals that all language models are highly correlated; however, the average ISF and ITF values are 5.5 and 10.4 higher than IDF. All language models appeared to ... 0 5 10 15 123456789101112131415161718 Global IDF Average Local IDF ACHRE4 ANCHAM BICHAW BIPRET BOMAF6 CGDEFU CMATEX ESTHAG IECRED INOCAJ JACSAT JAFCAU JCCHFF JCISD8 JMCMAR JNPRDF JOCEAH JPCAFH...

Ngày tải lên: 17/03/2014, 04:20

... Learning Research, 9:1871–1874, June. Jan Haji ˇ c, Massimiliano Ciaramita, Richard Johansson, Daisuke Kawahara, Maria Ant ` onia Mart ´ ı, Llu ´ ıs M ` arquez, Adam Meyers, Joakim Nivre, Sebastian Pad ´ o, ... for valuable comments. Supported in part by the National Natural Science Founda- tion of China (NSFC) via grant 61133012, the National “863” Major Project grant 2011AA0 1A2 07, and...

Ngày tải lên: 23/03/2014, 14:20

... empirical comparison of BP and DD also com- plements the theoretically-oriented comparison of marginal- and margin-based variational approxima- tions for parsing described by Martins et al. (2010). We ... have fewer than 100 nonterminals (Hockenmaier and Steedman, 2002), we found that a CCG grammar derived from CCGbank contained over 1500. The same grammar assigns an average of...

Ngày tải lên: 23/03/2014, 16:20

... particular type of fi- nite state automata associated with each word in the language. A relational head acceptor writes (or accepts) a pair of symbol sequences, a left sequence and a right sequence. ... having iden- tical sublanguage domain and test data, and using similar automata for analysis in the transfer system and transduction in the transducer system. Another justi...

Ngày tải lên: 24/03/2014, 03:21

... e-mail: A comparison of a Naive Bayesian and a memory-based approach. In H. Zaragoza, P. Gallinari, and M. Rajman, edi- tors, Proc. Workshop on Machine Learning and Tex- tual Infbrmation Access, ... classify e-mail. In Papers from the AAAI Spring Symposium on Machine Learning in Information Access, pages 18-25, Stanford, CA. AAAI Press. Thomas M. Cover and Joy A. Thomas. 1991. E...

Ngày tải lên: 31/03/2014, 20:20