Báo cáo khoa học: "Unsupervised Relation Extraction by Mining Wikipedia Texts Using Information from the Web" pdf

... under consideration: relation extraction from Wikipedia. We use the en- cyclopedic nature of the corpus by specifically ex- amining the relation extraction between the enti- tled concept (ec) and ... informa- tion from the Web corpus, but from well written texts. Particularly, we specifically examine unsu- pervised relation extraction from existing texts of...

Ngày tải lên: 23/03/2014, 16:21

... and the function of the head is the function of the whole chunk. “NP-SBJ” means a NP chunk as the subject of the sentence. The other words in a chunk that are not the head have “NOFUNC” as their ... clustering space. Then to ensure that the two centers are initialized in different clusters, one center is set as the point that is the farthest from the origin, while t...

Ngày tải lên: 20/02/2014, 12:20

... by the number of entity pairs they take. The column on the left shows sense of each relation. They are added manually by looking at the sense numbers associated with each path. for words on the ... although they share the same path “A’s company B”. The former describes the sub-organization relationship between two companies, while the latter describes B as the largest...

Ngày tải lên: 23/03/2014, 14:20

... rate-limiting enzyme in the synthesis of NAD + from nicotin- amide. Visfatin ⁄ PBEF ⁄ NAMPT is synthesized and secreted in adipose tissue by adipocytes, and mostly by macrophages, and circulates in the plasma ... the absence or in the presence of the PPARc agonist GW1929 added at the start of the differentiation process [25]. As shown in Fig. 4B, the expression of visfat...

Ngày tải lên: 06/03/2014, 22:21

... and to drive the indexing of the corpora. In particular, DKPro Core includes a reader for the BNC and a writer for the CWB. As the BNC does not carry lemma annotations, we add them using the DKPro TreeTagger ... ways from the unmarked lexico- grammatical patterning and informational ordering in the sentence. This is exemplified by the con- structions of sentences (2) -...

Ngày tải lên: 16/03/2014, 20:20

... separated by electrophoresis on 0.7% agarose gels, and transferred to positively charged nylon membranes by the method of Southern [22]. Southern blots were probed with the 215-bp PCR product under the ... filters (Sigma) by alkaline transfer. The membrane was probed to the 690-bp probe as described above. Heterologous expression The AK gene was amplified by PCR from L. do...

Ngày tải lên: 21/02/2014, 00:20

... another a liquot of toxin, but the final results were identical. Still another sample was analyzed (from the cyanogen bromide cleavage) a lso c onfirming this unusual disulfide pairing. From the other ... shown in the first line (PhTx) and t wo additional groups of sequences are shown thereafter. The first group (11 sequences) is from the a-ScTXs, t he second is from the b-ScT...

Ngày tải lên: 07/03/2014, 16:20

... increased by the addition of 2mm CoCl 2 (relative activity to that of the standard reaction 170%) and not by the addition of 2 mm ZnCl 2 or one of the other metals ⁄ salts tested. The enzyme ... is in fair agreement with the molecular mass (38 kDa) calcula- ted from the amino-acid sequence. The molecular mass of the native Pf-TDH was estimated to be 156 kDa by size-e...

Ngày tải lên: 16/03/2014, 14:20

... protein of the SEC fractions plotted against the number of nucleotides per protein molecule from the corresponding fractions. Although the accu- racy of determining the absolute values of these parameters ... been cloned from two sponges: one from Geodia cydonium and two from Suberites domuncu- la [27,28]. By contrast to the high sequence similarity among vertebrate 2-5A...

Ngày tải lên: 23/03/2014, 09:20

... satisfaction of using the sys- tem by guiding for the repair of the wrong informa- tion by human-computer interaction. On the other hand, there are different approaches to improve the robustness ... Finally, the system actions are predicted by the dialog example to maximize the example score in the best node. The generation of candidate nodes is based on multiple h...

Ngày tải lên: 23/03/2014, 17:20