Báo cáo khoa học: "Can you justify not using ultrasound guidance for central venous access" pot

... devices for central venous cannulation: meta-analysis. BMJ 2003, 327:361. 3. National Institute for Clinical Excellence: Guidance on the Use of Ultrasound Locating Devices for Central Venous Catheters (NICE ... routine use of ultrasound in all situations in which vessels are not immediately visible or easily palpable from the skin surface. Ultrasound guidance for a...

Ngày tải lên: 13/08/2014, 03:20

... grouping also gives the necessary power to perform statistical test for significance, confirming the difference in coverage scores for the two groups. This is not surprising: a summary of documents describing ... issue. Even systems that perform well on average pro- duce summaries of poor quality for some inputs. For this reason, understanding what aspects of the in- put make it diffic...

Ngày tải lên: 20/02/2014, 09:20

... however for the importanc e of this sector for pro- moting access to essential medicines by the poorest peo- ple. Furthermore, our findings, as summarised below, can generate hypotheses for future ... procurement using Global Fund resources. Established wholesalers then had to choose, as a for- profit company director explained, between competing for a major role as procurement ag...

Ngày tải lên: 11/08/2014, 14:21

Ngày tải lên: 12/08/2014, 20:20

... describe a technique for estimat- ing the parameters for this model using decision trees. The history-based grammar model provides a mechanism for taking advantage of contextual information from ... allows our 1Note the abuse of notation since we denote by p(ri) the conditional probability of rewriting the non- terminal AT/. 32 Towards History-based Grammars: Using Richer M...

Ngày tải lên: 20/02/2014, 21:20

... adsorption configuration and confor- mational features at interfaces cannot yet be accu- rately predicted for enzymes, it is difficult to design a platform that works for any given enzymatic system and ... However, it appears that the resounding message for increasing the thermal stability of proteins revolves around three central tenents: (a) substitute polar for neutral amino acids...

Ngày tải lên: 07/03/2014, 05:20

... Sessions, pages 85–88, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics Two diverse systems built using generic components for spoken dialogue (Recent Progress on TRIPS) James Allen, ... dialogue system for a new task currently requires considerable effort, includ- ing extensive data collection, grammar develop- ment, and building a dialogue manager that drives...

Ngày tải lên: 08/03/2014, 04:22

... use for different purposes and applica- tions. Another reason of the small SCF overlap is the comparison of strings derived from the XML format. A more sophisticated representation for- mat, notably ... well together. • verbForm: the verb form of a clausal com- plement can be required to be a bare infini- tive as in They demanded that he be there. • tense: not only the verb form, but als...

Ngày tải lên: 17/03/2014, 22:20

... approaches for in- ducing named entity annotations for foreign lan- guages. We presented a direct semi-CRF tagging model for labeling foreign sentences in parallel sen- tence pairs, which outperformed ... we do not have maps from cate- gory phrases to NE tags for foreign languages, using inter-wiki links is a way to transfer this knowledge to the foreign languages. After we have c...

Ngày tải lên: 23/03/2014, 14:20

... automatically retrieving answers for how-to questions, focusing on those that inquire about the procedure for achieving a specific goal. For such questions, typical information retrieval methods, ... the aforementioned two problems are not yet tackled. Our solution is to divide the process of retrieving answers for such questions into two stages: (1) use typical IR approa...

Ngày tải lên: 24/03/2014, 03:20