Báo cáo khoa học: "Theoretical Evaluation of Estimation Methods for Data-Oriented Parsing" pot

... Learning of Dependency Structure for Language Modeling Jianfeng Gao Microsoft Research, Asia 49 Zhichun Road, Haidian District Beijing 100080 China jfgao@microsoft.com Hisami Suzuki Microsoft ... the N-best list of N=100, whose “oracle” CER (i.e., the CER of the hy- potheses with the minimum number of errors) is presented in Table 1, indicating the upper bound on performanc...

Ngày tải lên: 17/03/2014, 06:20

... according to a mix of the initial method of Section 3.2, for calibration, and the new methods above. We again used a sentence length of 24, and sequence lengths for the initial method of l = 1, 8, ... letters for correct spelling, good grammar, rhythm and flow, appropriateness of tone, and several other specific characteristics of good text. In terms of automatic evaluati...

Ngày tải lên: 20/02/2014, 12:20

... section, we present the evaluations of ROUGE-L, ROUGE-S, and compare their per- formance with other automatic evaluation meas- ures. 5 Evaluations One of the goals of developing automatic ... first computed averages of the adequacy and fluency scores of each system assigned by human evalua- tors. For the input of automatic evaluation meth- ods, we created three evaluat...

Ngày tải lên: 20/02/2014, 16:20

... Proceedings of the 12th Conference of the European Chapter of the ACL, pages 112–120, Athens, Greece, 30 March – 3 April 2009. c 2009 Association for Computational Linguistics Human Evaluation of a ... can only give a rough im- pression of the quality of the system output. It is unclear, however, what kind of metric would be most suitable for the evaluation of string...

Ngày tải lên: 22/02/2014, 02:20

... measure- ments for identifying the performance of each single ad (its persuasiveness, from our point of view): • CTR, Click Through Rate: measures the num- ber of clicks divided by the number of impres- sions ... unthinkable before this opportunity for studies on persuasion appeared. The motivation for this work was exploration of the impact of short persuasive messages, so...

Ngày tải lên: 07/03/2014, 18:20

... fact cannot be explained by trafficking of premature FpoF intended for binding to the FpoA–O complex but points to a second function of the soluble form of FpoF that is characterized by a slow electron ... the low hydrogen-producing activity of the Frh cannot compensate for the activity of the Fpo and leads to impaired growth of the DfpoF and Table 2. Activities of the Frh in...

Ngày tải lên: 14/03/2014, 23:20

... linguistic quality of the system out- put. Part of the reason for this imbalance is the existence of ROUGE (Lin and Hovy, 2003; Lin, 2004), the system for automatic evaluation of con- tent selection, ... success for pre- dicting summary coherence. They can therefore be considered to be the state -of- the-art approach for automatic evaluation of linguistic quality. 4 Summ...

Ngày tải lên: 16/03/2014, 23:20

... for automatic evaluation of Chinese translation output. Our analysis suggests several key reasons behind this finding. 2 Chinese Translation Evaluation Automatic MT evaluation aims at formulating ... Ward and Wei- Jing Zhu, 2002. BLEU: a Method for Automatic Evaluation of Machine Translation. Proceedings of the 40th Annual Meeting of the Association for Computation...

Ngày tải lên: 17/03/2014, 00:20

... possibilities of creation of a free radical site, positive or negative, in this sequence by methods of quantum chemistry [35]. The aim was to see if any of this Fig. 4. MALDI-TOF mass spectra of fragments ... yields of fragmentation (Table 2) vary for these proteins. Discussion In this work, we performed a comparative study of the one- electron oxidation of six proteins fr...

Ngày tải lên: 17/03/2014, 10:20

... Proceedings of the 12th Conference of the European Chapter of the ACL, pages 157–165, Athens, Greece, 30 March – 3 April 2009. c 2009 Association for Computational Linguistics Web augmentation of language ... size of the web mixture LM is limited to the size of the baseline in-domain LM. 1 Introduction An automatic speech recognition (ASR) system consists of acoustic models...

Ngày tải lên: 22/02/2014, 02:20