Tài liệu Báo cáo khoa học: A facile method for expression and purification of the Alzheimer’s disease-associated amyloid b-peptide pdf

... GGGTTCT AACAAG GGTGCT-3¢;Abc, 5¢-CACAACGCCACCAACCATCAGA CCGATGATAGCACCCTTGTTAGAACCCAC-3¢;Ab- start, 5¢-GCGTAGGGTCGACATATGGACGCTGAATT CCGTCACG-3¢;Abstop, 5¢-CCTGCCGAGCTCCTATTA CACAACGCCACCAACCATCAG-3¢. The ... Ab(1–40) and Ab(M1–40) are at least 97% pure. In the lanes containing Ab(1–42) and Ab(M1– 42), there were prominent bands at approximately 4 kDa and faint bands at approximatel...

Ngày tải lên: 18/02/2014, 13:20

... algorithm has a for- ward variable α and a backward variable β which are calculated in the standard way (Deligne and Bimbot, 1995). Consider a node r which is connected with a node s via an arc labelled ... creates a reasonable alignment of the labelled data from which multigram counts can be obtained. The labelled data is a small list of transliteration pairs. The...

Ngày tải lên: 19/02/2014, 19:20

... train TransAhead, we used British National Corpus and Hong Kong Parallel Text and deployed GENIA tagger for POS analyses. To evaluate TransAhead in CAT and CALL, we introduced it to a class ... on language learning. Specifically, our goal is to build a human-computer collaborative writing assistant: helping the language learner with in- text grammar and translation an...

Ngày tải lên: 22/02/2014, 03:20

... formal paraphrase of (1) must include at least as much information as we have given above. In particular, the logical structure of our para- phrases contains essential information (about, for ... that you will even be able to tell whether some semantic representation has a realisation as a natural language text at all. If we look again at the knowledge available to our &qu...

Ngày tải lên: 22/02/2014, 10:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 782–790, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP A Gibbs Sampler for Phrasal Synchronous Grammar ... optimized for MT (Chang et al., 2008). The Arabic text was preprocessed according to the D2 scheme of Habash and Sadat (2006), which was identified as optim...

Ngày tải lên: 20/02/2014, 07:20

... format for standoff annotation allows the use of the coreference resolution as part of a larger sys- tem, but also performing qualitative error analysis using integrated MMAX2 functionality (annotation 1 An ... entities, as well as additional in- formation such as part -of- speech tags and merging these information into markables that are the start- ing point for the menti...

Ngày tải lên: 20/02/2014, 09:20

... accuracy (RA) and leaf accuracy (LA), as in (Yamada and Matsumoto, 2003). When evaluating the result, we exclude the punctuation marks, as done in (Mc- Donald et al., 2005) and (Yamada and Matsumoto, 2003). 4.3 ... number of actions and that Step Back is the best choice. Note that, since the ac- tions are the gold-standard actions, the policy af- fects only the numbe...

Ngày tải lên: 20/02/2014, 12:20

... outside of the current database. Ideally the system would have a far larger vocabu- lary than the current database so that it would be able to recognize items that are outside the data- base. ... multimodal grammar template and any available corpus training data to build a multimo- dal understanding model and speech recognition language model. The user interacts with...

Ngày tải lên: 20/02/2014, 12:20

... and a value of 0 indicating that the automatic evaluation explains nothing from the human evaluation variation. All the results for the values of R 2 for the family of metrics AEv(α,N) are ... evaluations of various applications under various evaluation guidelines. We measure the amount of approximation of a human evaluation by an automatic evaluation as...

Ngày tải lên: 20/02/2014, 16:20

... not (false value) Then a* b is implemented as a ∧ b, and a+ b as a ∨ b. The Dyna programmer can declare the agenda disci- pline—i.e., the order in which updates are processed—to obtain variant algorithms. ... may have val- ues between 0 and 1. 8 3 C++ Interface and Implementation A Dyna program compiles to a set of portable C++ classes that manage the items and per...

Ngày tải lên: 20/02/2014, 16:20