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

... have a problem that is outside Commentary Expanding intensive care medicine beyond the intensive care unit Ken Hillman Professor of Intensive Care, University of New South Wales, Liverpool Hospital, ... the artificial boundaries of an intensive care unit to nurture and legitimize the specialty. The next major step in intensive care medicine is to explore ways of optimizing...

Ngày tải lên: 12/08/2014, 20:20

... this could be due to the fact that it is harder to reduce a small prediction error. 273 Language Independent Authorship Attribution using Character Level Language Models Fuchun Pen& Dale Schuurmanst ... approach is based on building a character-level'n-gram model of an author's writing, using techniques from sta- tistical language modeling. Language modeling is concerned w...

Ngày tải lên: 24/03/2014, 03:20

... vector for the TFS shown in Figure 2 is third index neuter . 4.2.3 Using the Path Index Inserting 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 sta...

Ngày tải lên: 20/02/2014, 15:21

... N d 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 t...

Ngày tải lên: 08/03/2014, 01:20

... 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-Likelihood Matthias ... of question-and-answer pairs. Experimental results show that we achieve better QA ac- curacy using the resulting clusters than by using manually derived clusters. 1 Introd...

Ngày tải lên: 17/03/2014, 00:20

... sentence pairs with 850K English words in the military force protection 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 model estimated with Modified Kneser-Ney smoothing (Chen and Goodman, 1996) using only English sentences in the parallel training data. 3.1 Phrase Table Comparison We...

Ngày tải lên: 17/03/2014, 02:20

... CD His SBDs, 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 ... activity was determined using a radiochemical method [44]. All kinetic parameters are the means of at least three determi- nations and are reproducible within ± 10%. SDS-P...

Ngày tải lên: 22/03/2014, 21:20

... readability score is learned from a corpus of reviews. The preferred sequence is determined by using dynamic pro- gramming and beam search. Experiments showed that our method generated better ... confer- ence on Research and development in information retrieval (SIGIR), pp. 335–356. Giuseppe Carenini, Raymond Ng and Adam Pauls. 2006. Multi-Document Summarization of Evalua- tive Text. In ......

Ngày tải lên: 23/03/2014, 16:20

... correctly ordered. optimal labeled DLA can found using the following procedure: 1. Compute the optimal layout of all sentences in the corpus using the unlabeled DLA. 2. For each combination of ... English. PPs are also the right of verbs; the fact that the weight is greater than for NPs indicates that they are placed further to the right, as they normally are in English. Turning 190 the...

Ngày tải lên: 23/03/2014, 18:20

... 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 priorit...

Ngày tải lên: 23/03/2014, 20:21