Báo cáo khoa học: "The Design of a Computer Language for Linguistic Information" ppt

... The Design of a Computer Language for Linguistic Information Stuart M. Shieber Artificial Intelligence Center SRI International and Center for the Study of Language and Information Stanford ... such area& Computer languages are a direct result of this need for effective com- munication with computers. A considerable body of accu- mulated knowledge...

Ngày tải lên: 24/03/2014, 01:21

... The anchoring of a- carboxylate and a- amino group in the external aldimine defines automatically the positions of the a- proton and the side chain of any bound amino ac id. The lability of the a- proton observed ... that involvement of a water (D 2 O) molecule may ensure the formation of a favorable six-membered transition state (Fig. 4). Such a mechanism m ight be facil...

Ngày tải lên: 19/02/2014, 16:20

... system. Also, their underlying task (air travel domain) is much simpler than our tutoring task. In addition, the SIH is not always available and users have to activate it manually. Other visual ... technical support (Acomb et al., 2007), medication assistance (Allen et al., 2006)). These domains bring forward new challenges and issues that can affect the usability of such systems: in...

Ngày tải lên: 20/02/2014, 12:20

... Asn266 Superimposition of Hyb-24DNY with the class A b-lactamase revealed that Asn266 of Hyb-24DNY has a similar spatial position to that of Glu166 in the class A b-lactamase (Fig. S3). In the class A b-lactam- ase ... potentially possesses an advantage for biotechnological applications. X-ray crystallographic analyses of the G181D ⁄ H266N ⁄ D370Y enzyme and the inactive S11...

Ngày tải lên: 07/03/2014, 00:20

... consisting of a set of generators (languages and programs). The languages of the generator are : a. an LR(k) language for defining the user language syntax (cf Knuth 1965); b. a functional programming ... theory is present. This approach has both advantages and disadvantages. It is an advantage that the presence of a software framework will provide a formal langu...

Ngày tải lên: 08/03/2014, 18:20

... NRG-CRD _for NRG-CRD_rev GAGGTGAGCCGATGGAGATTTA CCTCTCAGGCGCTCAGCTTC 219 a NRG-5¢ _for NRG -a_ rev TCTCCGGCGAGATGTCCGA GCTCCAGTGAATCCAGGTTG 668 b NRG-5¢ _for NRG-Beta_rev TCTCCGGCGAGATGTCCGA GGCAGCGATCACCAGTAAAC 677 GAPDH ... NRG-5¢ _for NRG-Beta_rev TCTCCGGCGAGATGTCCGA GGCAGCGATCACCAGTAAAC 677 GAPDH GAPDH _for GAPDH_rev GAAGGGCTCATGACCACAGTCCAT TCATTGTCGTACCAGGAAATGAGCTT 450 Fig. 2. P...

Ngày tải lên: 16/03/2014, 04:20

... SP, and OM to true and XX to false. All four annotators agreed upon a true label for 46 instances and a false label for 30 instances, with an average pairwise Kappa (computed via NTLK) of 0.74. ... percentage of occurrences of the word which were associated with candidates identified as mentioned language. For example, 80% of appearances of the verb call preceded...

Ngày tải lên: 16/03/2014, 19:20

... and accurate lexicon from s machine-readable dictionary of variable accuracy and consistency. 5 Conclusion Practical natural language applications require vocab- ularies substantially larger ... demonstrates that much of the information available from LDOCE is of direct utility for example the SUBCAT values can be derived by an analysis of the Takes values and the ORaiein...

Ngày tải lên: 24/03/2014, 02:20

... been applied to the sentence realization phase of natural language generation. The Nitrogen system, for example, uses a word bigram language model to score and rank a large set of alternative ... Amalgam French Amalgam re-uses the architecture of the German system. Indeed, sentence realization from a semantic graph must undergo many of the same transformations regardless...

Ngày tải lên: 31/03/2014, 20:20

... quences of pitch accents when applied to pronominals, in particular, that while most pitch accents may weaken or reinforce a cospecifier's status as the center of atten- tion, a contrastively ... operations To explain how speakers move an entity in and out of the center of [mutual] attention, GJW89 formal- izes attentional operations with two computational structures...

Ngày tải lên: 20/02/2014, 22:20