Báo cáo khoa học: " Optimizing intensive care capacity using individual length-of-stay prediction models" pps

Báo cáo khoa học: " Expanding intensive care medicine beyond the intensive care unit" pot

... have a problem that is outsideCommentaryExpanding intensive care medicine beyond the intensive care unitKen HillmanProfessor of Intensive Care, University of New South Wales, Liverpool Hospital, ... the artificial boundaries of an intensive care unit to nurtureand legitimize the specialty. The next major step in intensive care medicine is to explore ways of optimizing the outcome of seriously ... an intensive care environment. Many studies have now demonstrated thatcurrent care for hospital patients in general wards isinadequate [2–4]. If we as intensivists are to be involved inthe care...

Báo cáo khoa học: "Language Independent Authorship Attribution using Character Level Language Models" pptx

... this could be due to the factthat it is harder to reduce a small prediction error.273Language Independent Authorship Attribution using Character Level Language ModelsFuchun Pen& Dale Schuurmanst ... approach isbased on building a character-level'n-gram modelof an author's writing, using techniques from sta-tistical language modeling. Language modelingis concerned with capturing ... example, semantic, syntactic, lex-icographic and morphological patterns—that canbe used to make predictions. Many of the fea-tures considered in language modeling coincidewith those used in...

Tài liệu Báo cáo khoa học: "Optimizing Typed Feature Structure Grammar Parsing through Non-Statistical Indexing" doc

... vector for theTFS shown in Figure 2 is third index neuter .4.2.3 Using the Path IndexInserting and retrieving edges from the chart using path indexing is similar to the general method pre-sented ... Non-statistical indexing has the advan-tage of not requiring training, and, as the evalua-tion using large-scale HPSGs demonstrates, the im-provements are comparable with those of statisticaloptimizations. ... similar key extraction could be performed dur-ing Stage 2 of indexing (as outlined in Section 3), using M rather than M. We have found that this on-line path discovery is generally too expensive...

Báo cáo khoa học: "Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm" doc

... Nd as a parameter, using number of words as docu-ment weight will make it affect too much in our system. The experiment results show an improvement of 11.80% by using the transition probability ... Table 3, two configurations (Config.1 and Con-fig.2) are conducted to verify the effectiveness of using the transition probability. The transition probability works due to the EM training procedure. ... HMM model, it composes of |Dr|+1 states. Every document in the document set is treated as an individual state in our HMM model. Aside from these document states, we add a spe-cial state called...

Báo cáo khoa học: "Optimizing Question Answering Accuracy by Maximizing Log-Likelihood" pot

... the ACL 2010 Conference Short Papers, pages 236–240,Uppsala, Sweden, 11-16 July 2010.c2010 Association for Computational Linguistics Optimizing Question Answering Accuracy by Maximizing Log-LikelihoodMatthias ... ofquestion-and-answer pairs. Experimentalresults show that we achieve better QA ac-curacy using the resulting clusters than by using manually derived clusters.1 IntroductionQuestion Answering (QA) distinguishes ... other languages. Ma-chine learning methods have been proposed, suchas question classiﬁcation using support vector ma-chines (Zhang and Lee, 2003) and language mod-eling (Merkel and Klakow,...

Báo cáo khoa học: "Optimizing Word Alignment Combination For Phrase Table Training" pptx

... sentence pairswith 850K English words in the military forceprotection domain. We train IBM Model-4 using GIZA++ toolkit (Och and Ney, 2003) in two trans-lation directions and perform different word ... a statistical 4-gram modelestimated with Modiﬁed Kneser-Ney smoothing(Chen and Goodman, 1996) using only Englishsentences in the parallel training data.3.1 Phrase Table ComparisonWe ﬁrst ... translation.In Proc. of ACL, pages 311–318.R. Zens, E. Matusov, and H. Ney. 2004. Improved wordalignment using a symmetric lexicon model. In Proc. ofCOLING, pages 36–42.232Proceedings of the ACL-IJCNLP...

Báo cáo khoa học: The starch-binding capacity of the noncatalytic SBD2 region and the interaction between the N- and C-terminal domains are involved in the modulation of the activity of starch synthase III fromArabidopsis thaliana pdf

... CDHisSBDs,co-expressed and mutated recombinant proteins Individual recombinant proteins were expressed and puriﬁed using a HiTrap chelating HP column (GE Healthcare Bio-Sciences, Upsalla, Sweden), as described ... activitywas determined using a radiochemical method [44]. Allkinetic parameters are the means of at least three determi-nations and are reproducible within ± 10%. SDS-PAGEwas performed using 12% gels ... inE. coli BL21-(DE3)-RIL cells. Puriﬁcation was per-formed using an Ni2+resin, as employed previously forthe isolation of the individual recombinant proteins.SDS-PAGE and western blot analysis...

Báo cáo khoa học: "Optimizing Informativeness and Readability for Sentiment Summarization" pptx

... readability score islearned from a corpus of reviews. The preferredsequence is determined by using dynamic pro-gramming and beam search. Experiments showedthat our method generated better ... confer-ence on Research and development in informationretrieval (SIGIR), pp. 335–356.Giuseppe Carenini, Raymond Ng and Adam Pauls.2006. Multi-Document Summarization of Evalua-tive Text. In ... EuropeanChapter of the Association for Computational Lin-guistics (EACL), pp. 305–312.Giuseppe Carenini and Jackie Chi Kit Cheung. 2008.Extractive vs. NLG-based Abstractive Summariza-tion of...

Báo cáo khoa học: "Optimizing Grammars for Minimum Dependency Length" pptx

... correctly ordered.optimal labeled DLA can found using the followingprocedure:1. Compute the optimal layout of all sentences inthe corpus using the unlabeled DLA.2. For each combination of ... English. PPs are alsothe right of verbs; the fact that the weight is greaterthan for NPs indicates that they are placed further tothe right, as they normally are in English. Turning190the individual ... McDonald, Fernando Pereira, Kiril Ribarov, andJan Hajiˇc. 2005. Non-projective dependency pars-ing using spanning tree algorithms. In Proceedingsof HLT/EMNLP.Franz Josef Och. 2003. Minimum error...

Báo cáo khoa học: "OPTIMIZING THE COMPUTATION ALL EXICALIZATION OF LARGE GRAMMARS" pptx

... Computability: Programs, Machines, Effectiveness and Feasibility. Addison- Wesley, Reading, MA. 203 OPTIMIZING THE COMPUTATIONAL LEXICALIZATION OF LARGE GRAMMARS Christian JACQUEMIN Institut de ... O(n 3) time. The worst-case time-complexity for Step 2 of the algorithm is also O(n 3) when using a naive O(n 2) algorithm to sort the items and the rules by decreasing priority. In all,...

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