Tài liệu Báo cáo khoa học: "An Ensemble Method for Selection of High Quality Parses" pdf

... detect parses of high quality from the set of parsed sentences. To explore the quality of the selected set in terms of filter f-score, we recall that the quality of a se- lected set of parses increases ... Ensemble Method for Selection of High Quality Parses Roi Reichart ICNC Hebrew University of Jerusalem roiri@cs.huji.ac.il Ari Rappoport Institute of Com...

Ngày tải lên: 20/02/2014, 12:20

... side are removed for TM training. For both tasks, we perform weight tuning and testing on specified development and test sets. We compare the accuracy of our proposed method of joint phrase alignment ... Dan Klein. 2010. Discriminative mod- eling of extraction setsfor machine translation. In Pro- ceedings of the 48th AnnualMeeting of the Association for Computational Linguist...

Ngày tải lên: 20/02/2014, 04:20

... Jie-Chi Yang Yue-Shi Lee Dept. of Computer Science and Information Engineering Graduate Institute of Net- work Learning Technology Dept. of Computer Science and Information Engineering National ... D-dimension space of the i-th example, and y i is the label of xi either positive or negative. The training of SVMs involves in minimize the following object (primal form,...

Ngày tải lên: 20/02/2014, 12:20

... straight line (1) in Fig. 5 is higher every period than that of straight line (2). The value of the slice of regression straight line (1) is also higher than that of regression straight line ... straight line (1) in Fig. 1 is higher every period than that of straight line (2). The value of the slice of regression straight line (1) is also higher than that of regression s...

Ngày tải lên: 20/02/2014, 16:20

... a definition of a well-formed representation for utterance analyses, • a set of decomposition operations that divide a given utterance analysis into a set of fragments, • a set of composition ... impact of fragment size on the parse accuracy. We therefore performed a series of experiments where the fragment set is restricted to fragments of a certain maximum depth (where the d...

Ngày tải lên: 20/02/2014, 18:20

... the platform takes care of the scheduling of sub-tasks, and various tools allow the results to be visualised conveniently. Fundamental principles First of all, the platform makes use of declarative representations, ... higher-level aspects such as analy- sis models and methodological concerns. Finally, when other platforms usually enforce the use of a dedicated document format, Ling...

Ngày tải lên: 22/02/2014, 02:20

... con- sists of tree description and/or of semantic formu- las. The XMG formalism furthermore supports the sharing of identifiers across dimension hence al- lowing for a straightforward encoding of the ... concerning the use of the system for implementing different types of tree based gram- mars. Section 5 concludes with pointers for fur- ther research and improvements. 2 Lingu...

Ngày tải lên: 22/02/2014, 02:20

... all of the sub- domains of the papers they annotated. The anno- tators went through a substantial amount of train- ing, including the reading of coding instructions for the two versions of ... human-annotated training material for both learning and evaluation of the automatic method. The outcome of Study II (full annota- tion scheme) is crucial to the task, as some of...

Ngày tải lên: 22/02/2014, 03:20

... definitions are special cases of definitions 1.1 and 1.2 for the property of being a set of maximal projections. Before I formulate the general command definition in a formal way, I will now quote ... requierments for the formalism used. Hence, the indexing technique has a wide spectrum of applications for testing command relations in syntactic analysis. Futhermore, this...

Ngày tải lên: 22/02/2014, 10:20

... since the sequence of Ab was first determined, high- resolution structural analysis of Ab monomer and its assemblies has been hampered because of the lack of an afford- able source of Ab peptides. ... mean of the fluorescence signal of at least eight wells containing aliquots of the same solution. The morphology of Ab aggregates formed from solutions incubated as above but in...

Ngày tải lên: 18/02/2014, 13:20