Báo cáo khoa học: "Knowledge-based Automatic Topic Identification" doc

Ngày tải lên: 19/02/2014, 07:20

... mine the World Wide Web for documents related to the presented topic. WEB adapts IC- SISWB using these documents to build a language model that better matches the lecture topic. It is also a 40K-word ... K. Gender Male Male Female Age Early 60s Mid 40s Early 40s Segmentation manual automatic automatic # lectures 4 3 4 Lecture topic Interactive Software Unix pro- media design design gram...

Ngày tải lên: 20/02/2014, 07:20

Ngày tải lên: 18/02/2014, 16:20

... – mice develop insulin resistance [240], although the underlying mechanism is unknown. Second, ectopic expression of ORP150 in b-cells improves insulin tolerance [240,241]. A possible explanation ... glomerular epi- thelial cell injury [276]. Third, excessive accumulation of secretory proteins induces podocyte injury by evo- king ER stress [277]. Fourth, overexpression of a kidney-specific ser...

Ngày tải lên: 19/02/2014, 02:20

... of basis vectors. For the sake of convenience, we asked MATHEMATICA to produce a kernel of N. An undocumented feature of MATHEMATICA ’s NullSpace command is that towards an integer input it reacts ... because conservation conditions can be completely ignored. The basis vectors of the kernel have automatically eliminated these redundancies and have reduced the problem to full rank, i.e. contai...

Ngày tải lên: 19/02/2014, 13:20

... the quality of relations holding between them. AUTOMATIC ABSTRACTING The arbitrary descriptors as used now in human ab- stracting or semi -automatic approximations, could be improved if accompanied ... anal- ysis to the list of descriptors. Such an analysis would increase the interpretive power of automatic abstract- ing since one of the subject functions is very closely connecte...

Ngày tải lên: 19/02/2014, 19:20

... information retrieval, which includes paraphrasing, textual en- tailment and transformation between query and doc- ument title in search. The key question here is how to represent the re- writing of sentences. ... that by employing a learning model such as SVM (Vapnik, 2000), such a linear combination can be automatically learned by solving a quadratic optimization problem. The ques- tion t...

Ngày tải lên: 19/02/2014, 19:20

Ngày tải lên: 20/02/2014, 02:21

... Draw the document-level topic proportions β (doc) ∼ GEM(α (doc) ). • Choose the document-level language model φ (doc) i ∼ Dir(γ (doc) ) for i ∈ {1, 2, . . .}. • Draw the part-specific topic proportions ... n: – Draw type t (k) n ∼ Unif (Doc, P art). – If (t (k) n = Doc) ; draw topic z (k) n ∼ β (doc) ; gen- erate words x (k) n ∼ Mult(φ (doc) z (k) n ) – Otherwise; draw topi...

Ngày tải lên: 20/02/2014, 04:20

... compared to C&C. Considering our use of a small beam, and given the high ambigu- ity levels in an automatically-extracted gram- mar and the amount of information in the CCG lexical categories which ... beam search with a relatively small beam. Perhaps surprisingly, given the ambiguity lev- els in an automatically-extracted grammar, and the amount of information in the CCG lexical categori...

Ngày tải lên: 20/02/2014, 04:20