Báo cáo khoa học: "The Surprising Variance in Shortest-Derivation Parsing" potx

... Linguistics The Surprising Variance in Shortest-Derivation Parsing Mohit Bansal and Dan Klein Computer Science Division University of California, Berkeley {mbansal, klein}@cs.berkeley.edu Abstract We investigate ... fragments of training examples. Taken to the extreme, this intuition sug- gests shortest derivation parsing (SDP), wherein a test sentence is analyzed in a way which use...

Ngày tải lên: 17/03/2014, 00:20

... errorful input at all. Such inflexibility in parsing is a serious impediment to the use of natural language in interactive computer systems. Accordingly, we [6] and other researchers including Wemchedel ... interface, including the invocation of parsing strategies, dictionanes and concepts, rather than requiring any domain adaptations by the interface system itself. With these goals...

Ngày tải lên: 31/03/2014, 17:20

... over 5% in 3 min; medium, below 5% in 3 min, but ov er 14% in 30 min; slow, below 5% in 30 min. Cleavage site: amino-acid residues at P 5 ±P 1 and P 1 ¢±P 5 ¢ sites a re shown. Asterisks indicate ... corresponding to that in Fig. 3. The numbers in parenthesis indicate the esti- mated percentage yields of each peptid e after 3-min, 30-min, and 3-h incubations in the presence of A...

Ngày tải lên: 21/02/2014, 03:20

... ich- thyosiform erythroderma (NCIE, in layman’s terms translating as a nonblistering, inherited, scaly red skin). An independent study later extended these find- ings following the identification of 17 ... isomerase (hepoxilin synthase) The genetic findings concerning 12R-LOX and eLOX3 mutations in ichthyosis are intriguing from the bio- chemical point of view, partly because the eLOX3 pro-...

Ngày tải lên: 07/03/2014, 09:20

... observed, indicating that the temperature-induced change in the fold of the structure is indistinguishable between the three proteins at this protein concentration. Furthermore, this temperature-induced ... within the first 10–30 min and the amount of tetramer formed from the pool of soluble protein increased for the first 60 min. At 41 °C soluble Y42H protein reaches a peak within the first 1...

Ngày tải lên: 07/03/2014, 16:20

... to induce leukemia in young DBA 2 female mice by painting them with 20- methylcholanthrene in benzene is reported. Signal System in Interlingua 59 In putting this passage mechanically into ... obtain the following version. An in Vitro Study of Antileukemic Serum 1. We prepared in rabbits an antiserum to lymphogenous leukemia induced in mice of the strain DBA 2 , co...

Ngày tải lên: 16/03/2014, 19:20

... mutual information between users after doing an average-link clustering on their pairwise mutual information. In a clean clustering, intra- cluster mutual information should be high, while inter-cluster ... the words inside latent topics in the LDA model in- ferred from online forums, we show in Table 2 the top words in 3 out of 20 latent topics inferred from “Ubuntu” forum accordin...

Ngày tải lên: 22/02/2014, 03:20

... topics according to the reader's interest by motivating the topics, describing en- tities and defining concepts. We have defined our method of automatic abstracting by study- ing a corpus ... topics according to the reader's inter- est by motivating the topics, describing entities, defining concepts and so on. This kind of ab- stract could be used in tasks such as accessing...

Ngày tải lên: 17/03/2014, 07:20

... optimisation in YM03 comes from contract- ing deductions in Eis96 so that linking operations are immediately followed by combining operations; while ES99 does the opposite, forcing combining operations ... set contain- ing initial items or hypotheses, and D ⊆ (2 (H∪I) × I) is a set of deduction steps defining an inference relation . Final items in this formalism will be those con- taini...

Ngày tải lên: 08/03/2014, 01:20

... obtain CXRs after insertion of endotra- cheal tubes, intravenous lines and chest drains, but not after insertion of nasogastric tubes. In addition, CXRs were obtained in the case of worsening ... purposes) attending physician; and 'old expected finding' was any old finding predicted by the attending physician; a 'new unex- pected finding' was any new finding not predic...

Ngày tải lên: 25/10/2012, 10:39