Báo cáo khoa học: "Parsing the Internal Structure of Words: A New Paradigm for Chinese Word Segmentation" doc

... structures of many words. Though it has been the standard practice for many years, we argue that this paradigm is inadequate both in theory and in practice, for at least the following four reasons. The ... this accuracy. Besides, the result for flat labels compares favorably with the state of the art accuracy of about 93% F 1 for joint word segmen- tation and part...

Ngày tải lên: 17/03/2014, 00:20

... semi-structured data made available to search engines, such as relational databases and semantically annotated web documents. Search- ing over such data sources, in many cases, can offer more relevant and ... particular, Li et al. leveraged click- through data and a database to automatically de- rive training data for learning a CRF-based tagger. Manshadi and Li developed a hybrid, ge...

Ngày tải lên: 20/02/2014, 04:20

... name Words Al-Baqarah 5739 Al-Israa 1464 Al-Imran 3316 Al-Kahf 1489 Al-Nisa 3543 Ta-Ha 1265 Al-Maidah 2681 Al-Anbiyaa 1077 Al-An'am 2895 Al-Hajj 1195 Al -A& apos;raf 3127 Al-Nur 1236 Al-Anfal ... another than to any other profile in the data set. The profiles of G can be summarized by a vector s whose dimensionality is that of the data, and each of whose elements co...

Ngày tải lên: 08/03/2014, 04:22

... between arguments and modi- fiers in a small number of cases. Note that since for the evaluation on the Brown corpus, no heldout data were available to adjust the variance parame- ter of a Bayesian ... Japan’s Daiwa Securities Co. named Masahiro Dozen president., the noun phrase Masahiro Dozen is labeled as an NP-SBJ. However, the LFG grammar treats it as the OBJ of th...

Ngày tải lên: 23/03/2014, 20:20

... and pET A3 A 4A5 – atdA2 pACYC A1 and pET A3 A 4A5 + atdA3 pACYC A1 A2 and pET A4 A5 – Control (no deletion) pACYC A1 A2 and pET A3 A 4A5 + E. L. Ang et al. Substrate specificity of aniline dioxygenase FEBS ... and A1 _SalI_R primers. The atdA2 gene was amplified using the A2 _FseI_F and A2 _AvrII_R primers. The atdA3 gene was amplified using the A3 _EcoRI_F and A3 _SalI_R...

Ngày tải lên: 19/02/2014, 02:20

... cost-conscious. The vast majority of AL research has not focused on accurate cost accounting and a typical assumption is that each annotatable has equal annotation cost. An early exception in the AL for ... Linguistics. Gholamreza Haffari and Anoop Sarkar. 2009. Active learning for multilingual statistical machine trans- lation. In Proceedings of the Joint Conference of the...

Ngày tải lên: 20/02/2014, 04:20

... nm, often decorated with stain, as well as clustered deposits of fibrils with an average diameter of 6 nm (Fig. 6C). FX1RP Nt-NES aggregates have a curved appearance, with an apparent average diameter ... produced in isolation, they have an elevated tendency to self-associate. To further characterize the nature of aggregation of FXR proteins, we have carried out a study of thei...

Ngày tải lên: 14/03/2014, 23:20

... GTT ACA G-3¢ L3 5A fw 5¢-G ATG ATG AAG AGC CG GAAT GCC ACC AAA GAT CGA TGC AAG C-3¢ BsmI rev 5¢-G CTT GCA TCG ATC TTT GGT G GC ATT CCG GCT CTT CAT CAT C-3¢ L35S fw 5¢-G ATG ATG AAG AGC CG GAAT ... substrate [23], revealed that all RNase A variants are active (Table 3). However, while the RNase A variants with mutations in the Ala20 loop region a s well as N 34D- RNase A and L3 5A...

Ngày tải lên: 16/03/2014, 18:20

... even if we already know that the lexical cate- gory of the head word of is a ditransitive . Therefore, we assume that the non-head child of a node is only expanded after the head child has been ... di- rectly from data, they have to be approximated in some manner. If we assume that all dependencies that hold for a word are equally likely, we can approximate as the...

Ngày tải lên: 20/02/2014, 16:20

... consisting of automatic parse information, and generate a train- ing instance by joining the features with the gold- standard label. The gold-standard label is achieved by comparing the dependency relation ... w j are compared, subtree and head information of these tokens is par- tially provided by previous parsing states. Graph- based parsing can also take advantage of using...

Ngày tải lên: 17/03/2014, 00:20