the utility of parsederived features

... of seg- ments. They demonstrate that their models achieve comparable results to SPADE without the use of any context-free features. Once again, segmentation is the part of the process where the ... approxima- tion features from Section 2.5.3. The “Context-free” system uses the SPADE-inspired features detailed in Section 2.5.2, but none of the features from Sections 2.5.1 or 2.5.3. Finally, the “All features ... in- cludes features from all three sections. 5 Note that the full finite-state system is consider- ably better than the basic finite-state system, demon- strating the utility of these approximations of the SPADE-like...

Ngày tải lên: 08/03/2014, 02:21

... metric 308 Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 306–314, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP The Contribution of Linguistic Features ... represents the ra- tio of errors in the set of low scored translations according to a given metric. The horizontal axis represents the ratio of errors over the set of high scored translations. The first ... state -of -the- art metrics. The analysis confirms that deep linguistic techniques are neces- sary to avoid the most common types of error. Section 2 examines the state of the art Section 3 describes the...

Ngày tải lên: 20/02/2014, 07:20

... paper, we study the utility of the dis- course structure on the user side of a dialogue sys- tem. One related study is that of (Rich and Sidner, 1998). Similar to the NM, they use the discourse ... d e- scribe the motion of the person and his keys while he is holding them. Then we will look at the motion o f the person and his keys after he lets go of them. Let's begin by looking at the ... perception of the system. We find that the NM presence significantly improves user’s perception of the system in terms of their ability to concen- trate on the instruction (Q3), in terms of their...

Ngày tải lên: 20/02/2014, 12:20

... the other way around. Composition of feature vectors: Another lesson of Tab. 3 is that the effect of the com- position of the feature vectors can vary depend- ing both on the task and on the ... for the LPE experiments because of the ceiling effect and the small size of the complete data set, therefore, we did not rerun the corresponding experiments. Furthermore, the number of codebook ... algorithms used. We then report on the results of the two suites of experiments. 5.1 Feature Selection The set of all potential features is large - there are more than 29000 lemmata in the LPE corpus,...

Ngày tải lên: 22/02/2014, 03:20

Ngày tải lên: 18/06/2014, 19:20

Ngày tải lên: 22/06/2014, 19:20

... ■ A QUICK TOUR OF THE C++/CLI LANGUAGE FEATURES While we could have listed these in the order they appear in the Tom Lehrer song The Elements” (a classic sung to the tune of “Major-General’s ... Atom class is there are a lot of methods that begin with Get and Set to capture the “has-a” relationship between an object and the proper- ties of the object. Some of the C++/CLI features were ... method, either beta decay or alpha decay. These decay methods of the RadioactiveAtom class will update the atomic number and isotope number of the atom according to the new isotope that the atom...

Ngày tải lên: 05/10/2013, 08:20

Ngày tải lên: 26/11/2013, 12:41

Ngày tải lên: 26/11/2013, 13:27

Ngày tải lên: 26/11/2013, 13:29

... to the mastering of the grammatical features and semantic structures of the words. These English words, apart from their description of happiness, have their connotations. They also have their ... base on the context, whether informal or formal or literary, to make a happy choice of the words. The happy choice and the correct use of the words by the translators, as a matter of fact, ... the context of the discourse and the linguistic features of the discourse with a view to understanding clearly the message communicated. When dealing with these English words, the translators...

Ngày tải lên: 12/02/2014, 20:20

... analyze the association of the features that we described above and fluency. Note that the purpose of the analysis is not feature selection—all features will be used in the later ex- periments. Rather, ... indepen- dent of each other. Fluency was judged directly by the assessors, while adequacy was meant to assess the content of the sentence compared to a human gold-standard. Yet, the assessments of the ... which the modifier length was di- vided by the sentence length. Finally, two more features on total modification were computed: one was the sum of all modifier lengths, the other the sum of normalized...

Ngày tải lên: 22/02/2014, 02:20

... supported by the Negev Consortium of the Israeli Ministry of Industry, Trade and Labor, the PASCAL-2 Network of Excellence of the Eu- ropean Community FP7-ICT-2007-1-216886 and the Israel Science ... relatively to the yield of the unfiltered resource) due to a sig- nificant drop in relative recall. For example, Lin- 564 Proceedings of the 12th Conference of the European Chapter of the ACL, pages ... First is the “lexical context” specifying the meanings of the text’s words. A rules is applicable in a certain con- text only when the intended sense of its LHS term matches the sense of that...

Ngày tải lên: 22/02/2014, 02:20

... nine’, ‘on top of the world’, ‘over the moon’ and ‘thrilled to bits’). They are dealt with in respect of their grammatical features including the syntactic functions and morphology, and their semantic ... are not. Their grammatical features depend on the sub-classes they belong to, but each word may not have all the grammatical features that its sub-class has. All of them can join the three ... here denote the property of feeling the pleasure to the extreme degree; they, therefore, cannot be modified by intensifiers of degree such as ‘very’, ‘too’, ‘extremely’, etc [1]. They can function...

Ngày tải lên: 05/03/2014, 12:20

... in the caption of graphics pear on the bars and sometimes next to them, and the heading for the dependent axis appears in the empty white space of the graphic instead of below the values on the ... the probabilities of the different hypotheses. On the other hand, the verb class con- taining lag occurred both in the caption of graphics whose message was judged to convey the entity with the ... inferring the intended message under- lying the graphic, providing an initial summary of the graphic that includes the intended message along with notable features of the graphic, and then re- sponding...

Ngày tải lên: 08/03/2014, 04:22

... are “blind” in the sense that there is no a priori information about the nature of the signals built into the method. On the other hand, the fits of the database are based on spectra of actual aromatic ... although they represent only 25% of the database, the main features of each spectrum are generated by the larger PAHs while the continuum and less dominant features are re- produced primarily by the ... of the 11.2 µm feature, the precise peak position of the 11.2 µm band, and the weak features at 12.0, 12.7, and 13.5 µm. In the following section we discuss these variations in the context of...

Ngày tải lên: 16/03/2014, 16:20

... responsible for most of the steps in the biosynthesis of the oligosaccharide portions of the LPS molecules. The inner core of H. influenzae LPS has been found to consist of the triheptosyl oligosaccharide ... to the loss of a t-Hex-Hep unit. This confirmed the structure of a glycoform with one hexose moiety substituting each Hep. There was no indication of any Hex-Hex units in this glycoform either. Electrospray-ionization ... structures. The ion corresponding to the loss of t-Hex-Hep at m/z 1001.4 was further fragmented to give the ion at m/z 753.4 corresponding to the loss of a monosubstituted HepII. This confirmed the structure...

Ngày tải lên: 16/03/2014, 16:20

... that the stoichiometries of the Hg-bMT species become dependent on t and X after t he forma tion of Hg 7 -bMT. Comparison of the three sets of CD data indicates that the degree of chirality of the ... provide information on the binding of Hg(II) to the corresponding apo-MT form [23]. In a ddition, compar- ison of the two sets of data gives an indication of the role of Zn(II) in the Hg(II)-containing ... as evidenced by the comparison of the CD spectra of isostoichiometric species obtained under different conditions. The contribution of the counter-ion to the 3D structure of the Hg-MT aggregates...

Ngày tải lên: 16/03/2014, 18:20

... the usefulness of features which is driven by the idiosyncratic properties of the verbs and the specific attributes of the desired verb classification. 1 Introduction The verb is central to the ... contains most verbs of Quantum Change, together with one verb of Production and Constitution each. The semantics of the cluster is therefore rather pure. The verbs in the cluster typi- cally ... combination of features. There is no unique perfect choice and en- coding of the verb features, even more with respect to a potential large-scale extension of verbs and classes. Further work on the verb...

Ngày tải lên: 17/03/2014, 22:20

... enzymes the results obtained on the substrate specificity of E domains could pave the way to engineering of biosynthesis of valuable non- ribosomal peptides in vivo. With the discovery of the rules ... moiety of the peptidyl-CoAs onto the invariant Ser of each PCP domain by exploiting the promiscuous Ppant transferase Sfp [8,9]. The advantage of this new minimal system for the investigation of ... exemplified by the reaction of TycB 3 -PCP-E with different substrates. After loading of the corresponding peptidyl-S-Ppant moiety of the CoA- precursors (shown in the legend underneath the plot) by the...

Ngày tải lên: 30/03/2014, 20:20