Báo cáo khoa học: "Comparing Automatic and Human Evaluation of NLG Systems" potx

... shown both NLG and human- written texts, and the NLG system is evaluated by comparing the rat- ings of its texts and human texts. In some cases, subjects are shown texts generated by several NLG systems, ... Comparing Automatic and Human Evaluation of NLG Systems Anja Belz Natural Language Technology Group CMIS, University of Brighton UK A.S.Belz@brighton.ac.uk...

Ngày tải lên: 24/03/2014, 03:20

... are randomly connected to one of the three worlds and one of the NLG systems. The GIVE-1 Challenge evaluated five NLG systems, which we abbreviate as A, M, T, U, and W below. A running GIVE NLG ... experi- mental subjects are time-consuming and expensive, and corpus-based evaluations of NLG systems are problematic because a mismatch between human- generated output and...

Ngày tải lên: 31/03/2014, 00:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 879–887, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Comparing Objective and Subjective Measures of ... under a range of conditions and then completed a user-satisfaction ques- tionnaire. The results of this study pro- vide a wide range of subjective and ob- jective m...

Ngày tải lên: 17/03/2014, 01:20

... Laboratory of Cell Differentiation and Apoptosis of Ministry of Education of China, Shanghai Jiao Tong University, China An embryo is a stage in the development of plants, invertebrate and vertebrate ... kinase)-1, -2, -5, and MAPK ⁄ ERK1 are detected in unfertilized eggs and blastocysts. Transcripts and the protein localiza- tion of p38-regulated and -activated kinase...

Ngày tải lên: 30/03/2014, 03:20

... [21,33], catalytic activity of the human enzyme was not regained upon removal of EDTA and addition of metal-ions. Figure 9 shows the hydrophobicity profiles of human and P. fluorescens ACMSD, performed ... electrophoresis of the PCR product indicated the presence of two distinct bands between 1000 and 1100 bp of roughly the same extent (not shown). Clo- ning and nucleo...

Ngày tải lên: 19/02/2014, 02:20

... to indicate the presence of the specific holocytochrome under investigation if the features of the spectrum, in terms of wavelength maxima, and the position and intensity of heme-staining bands on SDS-PAGE ... the addition of a few grains of disodium dithionite. The Soret and a-band absorbance maxima are at 415 and 550 nm, respectively, for wild-type cytochrome c 550 , and...

Ngày tải lên: 06/03/2014, 09:22

... representative of the results of several independent experiments. Table 3. Kinetic constants of GTP hydrolysis of Sept2 wild-type and mutant S218A. The K m and k cat values represent mean ± SD of at least three ... guanine nucleotides with a K d of 0.28 lm for GTPcS and 1.75 lm for GDP. It has a slow exchange rate of 7 · 10 )5 s )1 for GTPcS and 5 · 10 )4 s )1 for GDP,...

Ngày tải lên: 07/03/2014, 12:20

... presence of a very strong negative band at 198 nm. The negative band near 220 nm results from overlapping of the bands of b-sheet (215 nm) and a-helix (209 nm and 222 nm) [22]. Analysis of the ... encoding three isoforms (PKIa,PKIb and PKIc) [3,8,9] and two human genes encoding PKIa [10] and PKIc (Genbank accession numbers AB019517 and AF182032) have been cloned. A new g...

Ngày tải lên: 07/03/2014, 15:20

... inducible) and TPR (tetratrico peptide repeat) domains. (B) Multiple sequence alignments of the XPCB domains of hHR23B and hHR23A with other STI1-homologous domains from yeast STI1 and DSK2, and from human ... XPCB– hHR23B and XPCB–hHR23A. The side chains of residues with orientations that differ between hHR23B and hHR23A are shown. Also, b-N and b-C are the N- and C-t...

Ngày tải lên: 07/03/2014, 17:20

... 1. Nucleotide and predicted amino acid sequence (A) and hydro- pathy profile (B) of human ST6Gal II, and (C) comparison of the sia- lylmotifs L, S and VS of hST6Gal II with those of previously ... LSM 510). Construction of recombinant baculoviruses and production of soluble ST6Gal I and ST3Gal III in Sf9 In order to express soluble and His 6 -tagged enzymatic forms...

Ngày tải lên: 08/03/2014, 08:20