Báo cáo khoa học: "Constraint-based Sentence Compression An Integer Programming Approach" docx

... (Jing 2000), subtitle genera- tion from spoken transcripts (Vandeghinste and Pan 2004) and information retrieval (Olivers and Dolan 1999). Sentence compression is a complex paraphrasing task with ... provide an overview of previous approaches to sentence compression. In Section 3 we motivate the treatment of sentence compression as an optimisation problem and for- mulate our l...

Ngày tải lên: 08/03/2014, 02:21

... original. 3. Compression rate: How much compression took place. A compression rate of 65% means the compressed sentence is 65% the length of the original. Typically grammaticality and importance are traded ... probability that the long sentence is an expansion of the compressed sentence. To calcu- late the channel model, both the original and com- pressed versions of every sente...

Ngày tải lên: 24/03/2014, 03:20

... develop and evaluate coherence metrics on manually anno- tated corpora. For instance, Miltsakaki and Kukich (2000) annotate a corpus of student essays with tran- sition information, and show ... in sentences 1 and 6 (as O and X respec- tively) but is absent from the rest of the sentences. Grid Computation The ability to identify and cluster coreferent discourse entities is an impor- tant .....

Ngày tải lên: 20/02/2014, 15:20

... HCI and HHC and that it is not possi- ble simply to take the human-human interaction results and transpose results for one situation to the other. The structuring devices of the human-to-human construction ... human-human interaction employs a variety of dialogue structuring mech- anisms, ranging from meta-talk to discourse markers, and that some of these can usefully be employed for automati...

Ngày tải lên: 08/03/2014, 21:20

... data Kinetic constants (K m and V max ) for rMaL, TaLcc1 and ThL were determined on 2,6-DMP, syringic acid, and methyl syringate, at both pH 4.5 and pH 6.0, in 25 m M suc- cinate buffer and 40 m M Mes ... We also thank the staff members at beamline ID14-1 for their skilled assistance, and B. Hillebrant-Chellaoui at VTT for skilful help with the TaLcc1 purification. Roal Oy and the Academy of F...

Ngày tải lên: 14/02/2014, 18:20

... performed by calculating the Ramachandran plot with the program sirius (San Diego Supercomputer Center, San Diego, CA, USA). Metal analysis This was performed with an inductively coupled plasma optical ... was checked by monitoring the position and shape of the absorption edge on sequential scans. No changes were detectable. Methods used in XANES and EXAFS analyses winxas [51] was used to fi...

Ngày tải lên: 18/02/2014, 06:20

... primary structures and known protein domains (colored boxes) for selected vaccine candidates and lead vaccines. Cleavable signal peptides and transmembrane spans are boxed in red and black, respectively. ... reduction rather than clearance [4]. A lower parasite burden may then account for some of the antidisease effects. In analogy to virtually any vector-borne disease, vector control and exp...

Ngày tải lên: 18/02/2014, 16:20

... several LolC and LolE mutants that suppress dominant negative mutants of LolD [14]. Interestingly, the suppressor mutations of LolE were mostly located in the cytoplas- mic and transmembrane regions, ... membrane subunit and LolD (molecular mass ¼ 138–142 kDa), although an ABC transporter is generally composed of two membrane domains and two nucleotide-binding domains. Discussion Bacterial...

Ngày tải lên: 19/02/2014, 00:20

... enzymes show an important variation. Usually there is another H residue, but in some cases an L residue is found (for instance, in the NP_519622 protein from R. solana- cearum and in all animal tyrosinase-related ... (kpir), and transform- ants selected for kanamycin resistance. The plasmid in this strain was mobilized into spontaneous Rif R R3 by conjugation [17]. RSc1501 gene disruption...

Ngày tải lên: 19/02/2014, 07:20

... driver utterances and 4382 passenger utterances are transcribed. An annota- tion scheme was designed to enable analysis of utterances with respect to topic change for each domain. Domain and topic ... what manouvres are usually cognitively demanding. The participants were audio- and videotaped, the recordings are transcribed with the transcrip- tion tool ELAN 1 , using an orthographic tra...

Ngày tải lên: 20/02/2014, 04:20