Tài liệu Báo cáo khoa học: "Analysing Wikipedia and Gold-Standard Corpora for NER Training" ppt

... 2009. c 2009 Association for Computational Linguistics Analysing Wikipedia and Gold-Standard Corpora for NER Training Joel Nothman and Tara Murphy and James R. Curran School of Information Technologies University ... free, named entity-annotated corpora for general or domain specific tasks. 2 NER and annotated corpora Research into NER has rarely considered the i...

Ngày tải lên: 22/02/2014, 02:20

... elevated, and consequently, the levels of nuclear SREBP-1c protein and lipogenesis are enhanced in the liver and adipose tissues. Intake of energy molecules such as sugars, carbohydrates and saturated ... used as a substrate for the synthesis of fatty acids and cholesterol. In contrast, in an energy-depleted state, acetyl-CoA serves as fuel for the tricarboxylic acid cycle and...

Ngày tải lên: 18/02/2014, 13:20

... In general, helicases require a sin- gle-stranded nucleic acid region to bind and start their action of strand separation and once loaded onto the strand, they display a directional bias and translocate in ... been suggested for a number of the conserved motifs [10– 12]. For example, motif I (A ⁄ GxxGxGKT), motif II (VLDEAD), motif III (SAT) and motif VI (HRIGRxxR) are responsible...

Ngày tải lên: 18/02/2014, 16:20

... includes (Dodds and Danforth, 2009) for estimating happiness lev- els in three types of data: song lyrics, blogs, and the State of the Union addresses. From a psychological perspective, for estimat- ing ... affective words. For learning affect in blogosphere, (Leshed and Kaye, 2006) utilizes Support Vector Machines (SVM) to predict moods for coming blog posts and detect mood s...

Ngày tải lên: 20/02/2014, 04:20

... PST as a knowl- edge source for DA detection, we essentially need to model the relationship between the random DA and the random DR. Denote the random DA by X and the random DR by Y . Given a text ... lan- Figure 1: Details of the SLU and DM modules. guage generation in the textual form, which is passed to a text-to-speech synthesizer for speech waveform generation. The cycle repeat...

Ngày tải lên: 20/02/2014, 05:20

... R sibl , and z grand ijk ≤ z ij , z grand ijk ≤ z jk , z grand ijk ≥ z ij +z jk −1 (15) for all triples i, j, k ∈ R grand . Let R  A ∪ R sibl ∪ R grand ; by redefining z  z r  r∈R and F(x) ... inference for the same set of features. Bold indicates the best result for a language. As for overall performance, both the exact and relaxed full model outperform the arc- factored m...

Ngày tải lên: 20/02/2014, 07:20

... probability d (q–k class(f )), and so forth. NULL-generated. After heads and non-heads are placed, NULL-generated words are permuted into the remaining vacant slots randomly. If there are NULL-generated words, ... in standard TSP. We create a binary (0/1) integer variable for each pair of hotels and . if and only if travel from hotel to hotel is on the itinerary. The objective funct...

Ngày tải lên: 20/02/2014, 18:20

... binary form of function application. Thus, if z and I/ are well-formed formulas of PAL, so is a form z(y). Expressions of PAL are related to expressions of natural language as follows: Generally, ... descendants, say z and y, a PAL expression for the phrase is one of the following forms: <z>( <V>) or <p>( <z>) where ~a> stands for a PAL expression...

Ngày tải lên: 21/02/2014, 20:20

... ba- sic vocabulary list for German learners, 3 removed function words and particles and built 653 random pairs. We queried Google via its API retrieving maximally 10 pages for each pair. We then ... ourselves. 1 We have done this for two lan- guages, German and Italian, and here w e report on the pipeline of processes which give us reasonably well-behaved, ‘clean’ corpora for...

Ngày tải lên: 22/02/2014, 02:20

... this data and re-package it for their own needs, these being informative, educational and entertainment ones. Understanding and generation of multimedia dis- course requires knowledge and skills ... devel- oped for the exploration and the automatic expan- sion/generalisation of the annotated semantic rela- tions. This search interface is a support tool for the theory and the...

Ngày tải lên: 22/02/2014, 02:20