Báo cáo khoa học: " Predictive mortality models are not like fine wine" ppt

... summary, unlike fine wine, models for predicting ICU mortality do not age well. The article by Le Gall et al. provides an interesting footnote in the history of critical care mortality models. Beyond ... performance of five intensive care scoring models within a large Scottish database. Crit Care Med 2000, 28:1820-1827. 7. Popovich MJ: If most intensive care units are graduatin...

Ngày tải lên: 12/08/2014, 23:20

... dictionary definition marked as slang and 0 if it does not. It is important to note that this measure of “in- formality” is approximate at best. We do not at- tempt, e.g., to disambiguate the sense of ... corpus shows that this is not the case with satirical news, which occasionally uses profanity as a humorous device. Let P be a binary feature indicating whether or not an article cont...

Ngày tải lên: 20/02/2014, 09:20

... varia- bles are hidden inside the modules. A large model is split into subsystems, and linearization and complex- ity-reduction are applied to those ) possibly large ) parts that are not in the ... ATP « ADP (where inor- ganic phosphate is not explicitly considered). The remaining reactions are not related to ATP, ADP, or AMP. If all metabolites are modelled explicitly, the co...

Ngày tải lên: 16/03/2014, 22:20

... However, it was one thing to be prepared for struc- tural diversity; it was quite another thing to be faced with the fact that our business letters are not some small to moderate subset of ... "NATURAL LANGUAGE TEXTS ARE NOT NECESSARILY GRAMMATICAL AND UNAMBIGUOUS OR EVEN COMPLETE." Lance A. Miller Behavioral ... be yet once more incomplete. But it was not only the...

Ngày tải lên: 24/03/2014, 01:21

... et al. (2009, TDP09). The results in Table 4 compare these models against our best previous exemplar models and show that our models outperform these models across the board. 3 Due to the small sizes of ... differences among our models are not significant, but the difference between them and the original EP09 model is. 4 On EP08, al l differences are significant except for actP...

Ngày tải lên: 30/03/2014, 21:20

... the models unlikely to be detectable in practice Since we reject the additive and Risch models, we concen trate on the comparison of the CRisch, Odds and Probit models. We chose to compare models ... other models, so that all three models are benchmarked by K and τ. The shape of the relationship is not dependent on the choice of n and p; the τ when h 2 L = 0.1, 0.3, 0.5, 0.7...

Ngày tải lên: 11/08/2014, 12:20

... all high-weighted features are either HTML paths or query log features; these are the ones that are easiest to obtain. Many of the highest-weight HTML tree features are symmet- ric, e.g. both ... change X and Y are related and X or Y is a URL alliance; alliance.com 29.8 other relationship X and Y are related in some other way flagpoles; flags 9.8 no relationship X and Y are not...

Ngày tải lên: 20/02/2014, 12:20

... belong mostly to the same cluster (dotted ellipse), the two nearest neighbors to A are not the nearest two neighbors to B. like to control the degree of compression of C relative to N, ... p(vln) = ~-]p(vlc)p(cln) c • nearest-cluster estimate: ~(vln) p(vlc*), where c* maximizes p(c*ln). 2.2 Nearest-neighbors averaging As noted earlier, the nearest-neighbors averag- ing m...

Ngày tải lên: 20/02/2014, 18:20

... Hello complete-opening, Hello opening S, Hello B Yes Not( Information), shift, binary-reduce-out-of-domain Not( Information), complete-opening Not( Information), open- ing S B Um I would like to place an order please Rquest(Make-Order), ... with rare dialog acts, Not( Information), and the prediction of Acknowledge at the start of a turn (we did not remove grounding acts from the data...

Ngày tải lên: 22/02/2014, 02:20

... partial structures are determined by additionally using Markov Models. While building the struc- ture bottom up, parses that are unlikely according to the Markov Models are pruned. 3.2 The ... several areas 'the dismissal of the federation from several areas that was intended by the government' Figure 6: Complex German NP and chunker output (postnominal genitive and...

Ngày tải lên: 22/02/2014, 03:20