Báo cáo khoa học: Vaccination with prion peptide-displaying papillomavirus-like particles induces autoantibodies to normal prion protein that interfere with pathologic prion protein production in infected cells pptx

... FEBS Vaccination with prion peptide-displaying papillomavirus-like particles induces autoantibodies to normal prion protein that interfere with pathologic prion protein production in infected cells Alessandra ... before being subjected to FACS ana- lysis. After exclusion of dead cells by 7-aminoactinomycin D staining, analysis was performed usin...

Ngày tải lên: 16/03/2014, 11:20

... represented by a vector indicating the affinity of each word to it. 3) Similarity formulae The similarity of W 1 to W 2 is the average affinity of the contexts that include W 1 to W 2 , and ... of contexts that contain W 1 , is 1. 4) Assigning remaining contexts to a category We decided a similarity value of each remaining context for each category using the followin...

Ngày tải lên: 20/02/2014, 16:20

... change to the underlying semantic model, replacing atomic entity types with feature structures; sec- ondly, a corresponding change in th e user inter- face, which now offers an extra editing operation (called ... generate menus open- ing on anchors within the text, in addition to the text itself. Th e resulting feedb ack text is presented to the user through a special inter face i...

Ngày tải lên: 20/02/2014, 16:20

... occurring together in the training data (with the same predicate-argument relation between them, but not necessarily with the same surface con- figuration) are taken into account by the new model. To ... sentences 40 tokens only are used to test the model. A fre- quency cutoff of 20 was used to determine rare words in the training data, which are replaced with their POS-tags. U...

Ngày tải lên: 20/02/2014, 16:20

... their index. That is, a lexical entry is selected iff its head unifies with a proposition in the input semantics. To preserve coherence, we further maintain the additional constraint that the total ... bottom-up generators: the lack of an indexing scheme and the presence of intersective modifiers. In (Shieber, 1988), a chart-based bottom-up generator is presented which is devoid of...

Ngày tải lên: 20/02/2014, 18:20

... like to stress that rules in this approach are not distinguished into two separate classes, one for resolving word boundary ambiguities and the other for sentence understand- ing. Ours combine ... frequency that they are independent. Here, we find that statis- tical techniques can be nicely incorporated into the model We will derive this information from a corpus of 46,520 wor...

Ngày tải lên: 20/02/2014, 21:20

... reader has noted that stories involving gunmen tend to be interesting. Since it is interesting, IPP fully processes GUNMEN, Knowing that it Is important to its purpose of extracting the significant ... are interesting (in IPP's case, that means related to terrorism), and incorporate the appropriate information into its memory. The concepts used to determine wha...

Ngày tải lên: 21/02/2014, 20:20

... "runtogether", or a single word being split up into two or more segments, as in "tog ether" or (inconveniently) " ;to get her", or combinations of these effects as in "runto geth ... constraints are used to assemble them into a single framework meaningful in terms of the domain of discourse. When the domain is restricted enough, the semantic co...

Ngày tải lên: 21/02/2014, 20:20

... stay null-aligned in each sentence, but if restricted to sure links the average ratio increases to 22.6%. We compared training using LGFN with 1-best, 20-best and HaG with 20-best (Figure 7). Train- ing with ... also slowly increased, but parsing LGFN consistently took less time than LiuG. It should be noticed that the above results came from parsing according to some given al...

Ngày tải lên: 07/03/2014, 22:20

... surprising performance is achieved by integrating sources of topic information into the context of a Q/A dialogue. In interactive Q/A, professional users engage in extended dialogues with automatic ... cluster that contained at least one key- word that described the sub-topic was deemed relevant to the topic. Approach 2: Since individual documents may contain discourse segments pe...

Ngày tải lên: 08/03/2014, 04:22