Báo cáo khoa học: "Unsupervised Bilingual Morpheme Segmentation and Alignment with Context-rich Hidden Semi-Markov Models" pdf

... final results are compared with a few super- vised systems as the mention-ranking model (De- nis and Baldridge, 2007) and systems compared in their paper, and Charniak and E lsner’s (2009) unsu- pervised ... values – male, female, neuter and unknown; n one of three values – plural, singular and unknown and e around eight values. Note that pos t is used in both hidden states...

Ngày tải lên: 20/02/2014, 04:20

... information about over 1 million biomedical concepts and 5 million concept names. This and related resources allow us to explore knowledge-based techniques with substantially less upfront investment. Naturally, ... rec- ommend a particular course of action without con- sidering all these factors. Our approach seeks to balance conciseness and completeness by providing hierarchical and...

Ngày tải lên: 20/02/2014, 12:20

... size) and loaded a DEAE-Sepharose fast-flow column (3 · 10 cm) equilibrated with buffer A. The column was washed with 70 mL buffer A and the proteins were eluted at a rate of 3mLÆmin )1 with a ... detected by HPLC comparing with FMN, FAD and riboflavin standards. After oxi- dation with air the UV-visible spectrum of the super- natant showed a new peak at 300 nm and a shoulder...

Ngày tải lên: 07/03/2014, 16:20

... recorded with Ag AgC1 elec- trodes attached to the palmar surface of the second and third fingers of the non dominant hand, and recorded at a rate of 200samples/second. Artefacts due to hand move- ments ... Corpus. Language and Speech, 34:351-366 Anderson A. H., and Boyle E. A. 1994. Forms of in- troduction in dialogues: Their discourse contexts and communicative consequences...

Ngày tải lên: 08/03/2014, 01:20

... elevation, and the effect on NO and cGMP were closely related. It is likely that the L -arginine transport systems y + and y + L are both involved in supplying sub- strate for NO production and regulation ... macro- phages and endothelial cells [8]. Moreover experimental [9–11] and clinical studies [12–15] demonstrated that the decrease of vascular and platelet NO activity can be...

Ngày tải lên: 08/03/2014, 02:20

... (Eisenstein and Barzilay, 2008) and then use the pairwise alignment to find their best alignment to the segments of the story. Our model We evaluate our joint model of seg- mentation and alignment both with ... poor segmentation and alignment quality. To address this problem, we construct a non- parametric Bayesian model for joint segmenta- tion and alignment of paralle...

Ngày tải lên: 20/02/2014, 04:20

... and Sadat, 2006; Oflazer and Durgar El-Kahlout, 2007; Bisazza and Federico, 2009). However, the effect of segmentation on transla- tion performance is indirect and difficult to isolate (Lopez and ... choice is the post -segmentation alignment accuracy. How- ever, Elming et al. (2009) show that optimizing segmentation with respect to alignment error rate (AER) does not impro...

Ngày tải lên: 20/02/2014, 04:20

Ngày tải lên: 20/02/2014, 12:20

... sec- ondary language (Spanish). and . We use the shorthand for . 2.2 The Sense Model The Sense Model makes the assumption, inspired by ideas in Diab and Resnik (2002) and Ben- gio and Kermorvant (2003), ... government actions and the second deals with murder and accidental deaths. The penulti- mate concept is interesting because it deals with dif- ferent kinds of association...

Ngày tải lên: 08/03/2014, 04:22

... active voice with sequence (A0, P REDICA T E, A1) and sentence b is in passive voice with sequence (A1, P R EDICAT E, A0). Addi- tional global preferences, such as arguments A0 and A1 rarely ... F T ). Given a frame instance with predicate p and voice vc, Figure 2 gives (i) Eq. 1: the joint distribution of the ordering o, role sequence r, and constituent sequence f , and (ii)...

Ngày tải lên: 19/02/2014, 19:20