Báo cáo khoa học: "Compensating for Annotation Errors in Training a Relation Extractor" potx

... 2005 annotation on relations is conducted in this way. In this paper, we analyzed a snapshot of ACE training data and found that each annotator missed a significant fraction of relation ... contains the final adjudicated annotations, in which all the traces of the two first-pass annotations are removed, we use a snapshot of almost-finished annotation, ACE 2005 Multil...

Ngày tải lên: 24/03/2014, 03:20

... (Mintz, 2006) and unsupervised gram- mar induction (Klein and Manning, 2002). The approach can detect both bracketing and la- beling errors in constituency annotation, and we already saw a labeling ... extracting the main regulari- ties and forgetting the individual exam- ples (Daelemans, 1996). By storing all corpus examples, as MBL does, both correct and incorrect data is maintained,...

Ngày tải lên: 08/03/2014, 21:20

... per- formed with the following primers: 5¢-TCTCTGCTGC CAGACA-3¢ and 5¢-GCCACAGCAGAACAGA-3¢ for HVEM; 5¢-TCCTTCACCGATGGCACTATCC-3¢ and 5¢-TCAACACCAGCAGGATGCTC-3¢ for nectin-1; and 5¢-AGAAGCAGCAGCACCAGCAG-3¢ ... (Molecular Devices) was used to measure b-galactosidase activity at 410 nm. Statistical analysis Data are expressed as mean ± SD and were analyzed statistically by using one-way ANO...

Ngày tải lên: 18/02/2014, 14:20

... colony forma- tion assay. Table 2 shows the percentage of G418- resistant colonies obtained by transfecting the established human tumor pancreatic carcinoma MIA PaCa 2 and the breast adenocarcinoma ... by C.Schneider,CIB,Trieste,Italy),humantumorpancreatic carcinoma Ger and MIA PaCa-2 (kindly provided by R. Orlandi, INT, Milan Italy) and human tumor breast adenocarcinoma cell lines MDA-MB-231...

Ngày tải lên: 21/02/2014, 00:20

... varying our training data and the number of label classes trained for. We see in Table 4 from setup #5 exper- iments that training and testing on error-containing utterances led to a dramatic improvement ... identified. training models for individual features and of con- straining training data to contain only those ut- terances known to contain errors. It also demon- strates t...

Ngày tải lên: 08/03/2014, 21:20

... of Araf-(1 fi 5) -a- Araf and of branched non-reducing terminal Ara6 motifs: Arafb1 fi 2Arafa1 fi 5 (A rafb1 fi 2Arafa1 fi 3)Arafa1 fi 5Arafa1. About two-thirds of the terminal b-Araf and the penultimate ... cell wall and of some glycerol-based glycolipids [26]. The branched arabinan chains of the arabinogalactan are attached to the linear galactan backbone. The arabinan consists of an inner linea...

Ngày tải lên: 30/03/2014, 04:20

... during loop entropy selection. There appears to be a continuing bias towards proline and the appearance of a significant bias towards other small amino acids (A, G, S, T) and against amino acids ... larger average length of in- frame fragments from a protein coding frame (33 amino acids) than noncoding frames (25 amino acids). The percentage of individual fragments originating from the...

Ngày tải lên: 30/03/2014, 13:20

... developed an A~ -based system as an intelligent CAI too for teaching foreign language. ':~[ ~in the ~OPAR system, experiments in modeling English transfor- mational grammar exercises and modeling ... stace An exa~le nmm phrase is given as: NP CAT('DET') SETR('NP', 'DET' ,Q) :SCID('ADJ')) CAT('NPR') sEm('t~', '~...

Ngày tải lên: 31/03/2014, 17:20

... A specialist may choose to abstain instead of giv- ing a prediction on any given example in case that it did not see the same value of an attribute in the example. In fact, we may have each ... but some real-word errors still remain because the POS trigram model cannot capture some use- ful features in discriminating candidate words. A feature-based approach using Winnow...

Ngày tải lên: 23/03/2014, 19:20

... important in Pfr formation. Red irradiation leads to bleaching (as in the wild-type), but no Pfr-like band appeared, rather a broad peak centred at 590 nm remained. Not surprisingly, FR irra- diation ... R254 #375 mutants at the physiological level. Go ¨ ller et al. [36] also calculated that ring B ⁄ C pro- tonation of chiral PCB leads to dramatically increased electron coupling associa...

Ngày tải lên: 30/03/2014, 11:20