Báo cáo khoa học: "Measuring Contextual Fitness Using Error Contexts Extracted from the Wikipedia Revision History" pptx

... high number of revisions in Wikipedia allows to be extremely selective. 2.1 Accessing the Revision Data We access the Wikipedia revision data using the freely available Wikipedia Revision Toolkit (Ferschke ... measures of contextual fitness on the task of detecting real-word spelling errors. For that purpose, we extract nat- urally occurring errors and their contexts...

Ngày tải lên: 17/03/2014, 22:20

... band was amplified from each of the different samples and Southern blot analysis using the probe prepared with the lac1 primers also revealed a single band. Further- more, all of these generated ... above. RT-PCR for semiquantification of the lac1 expression levels Total RNA extracted from liquid cultures and mRNA extracted from compost cultures using the polyA TRACT mRN...

Ngày tải lên: 07/03/2014, 15:20

... Bb, the monomeric aspartate racemase from B. bifidum; St, the dimeric aspartate racemase from S. thermophilus [17]; D s, the dimeric aspartate racemase from Desulfuro- coccus [8]; and Ph, the ... re-cloning of the enzyme gene into the Nco I-HindIII site of pATE19, the second amino acid of the enzyme was changed from arginine to glycine. The plasmid pBASPR was introduc...

Ngày tải lên: 07/03/2014, 16:20

... the 3¢ UTR [11]. There is no typical polyadenylation signal present in the 3¢ UTR. The genomic sequence corresponding to the 3¢ UTR was amplified from the two genomic libraries created using the ... assays were performed for cathepsins K, S and B using Z-Phe-Arg-AMC as the sub- strate and for cathepsin H with Arg-AMC as the substrate [6]. Trypsin was assayed using the...

Ngày tải lên: 16/03/2014, 02:20

... structure is not observed in other long neurotoxins. On the other hand, the absence of any NOE between residues 69–73 and other regions of the peptide indicates that there is no s tructural involvement ... while the side chains of Trp27, Arg33 a nd Asp29 in these peptides protrude from the concave f ace of the molecule (a common situation), the aromatic side chain of T rp27 in...

Ngày tải lên: 23/03/2014, 13:20

... parts of the innate immunity and are widespread, both in the plant and the animal kingdom [12], e.g. the mammalian defensins and cathelicidins [13] and magainins from the skin of frogs [14]. There is ... antimicrobial components. The aim of the present study was to identify antimicro- bial components from the skin mucus of healthy Atlantic cod (Gadus morhua). The mucus e...

Ngày tải lên: 23/03/2014, 15:21

... fast-gating transitions. The lifetime in the fully-open state of the dimer of the monomeric subunits of the chloride channel is not the same; usually, it is much longer than that for one of the monomers [17]. The ... in the fully open state  130 pA (1.0 M KCl, +20 mV). Lower panel: a timescale-expanded current recording of the part shown in the frame in the upper trac...

Ngày tải lên: 30/03/2014, 02:20

... that the proposed method outperforms the state of the art methods in the semi-supervised setting. The results in the un- supervised setting are comparable to the best re- ported values. The proposed ... polarity. They check if any of the syn- onyms of the given word has known polarity. If so, they label it with the label of its synonym. Oth- erwise, they check if any of...

Ngày tải lên: 20/02/2014, 04:20

... with each other. For example, if the word “ﺎﮭﺒﺘﻛو” “ and he wrote it ” is compared with the word “ﺐﺘﻛ” “ he wrote ” using the EWM method the resulting score will be 0, but when using the CCC ... created from the document body. After this, four different evaluation methods were applied to choose the best headline that reflects the idea of the document among the n...

Ngày tải lên: 20/02/2014, 05:20

... and other issues). The titles are then parsed using the RASP parser (Briscoe and Carroll, 2002) and key- phrases are extracted by pattern matching. From the publication entry above, the extracted ... similar to others in the cluster) is selected from each cluster (‘informa- tion retrieval’ from the above) and this phrase is linked with all the publication dates for p...

Ngày tải lên: 20/02/2014, 09:20