Báo cáo khoa học: "Query log analysis with GALATEAS LangLog" ppt

... Architecture LangLog consists of three subsystems: log ac- quisition, log analysis, log disclosure. Periodi- cally the log acquisition subsystem gathers new data which it passes to the log analyses ... transaction logs to understand the user behaviour and to as- sess the system performance is known as Transac- tion Log Analysis (TLA). Transaction Log Anal- ysis is concerned...

Ngày tải lên: 17/03/2014, 22:20

... apply in the generation, but not the analysis, direction. Within computational morphology, a very sig- nificant advance came with the demonstration that phonological rules could be implemented as ... relatively complete computational implementation of Tigrinya verb morphology is described. 1 Introduction 1.1 Finite state morphology Morphological analysis is the segmentation of words into...

Ngày tải lên: 17/03/2014, 22:20

... with a polylactosamine extension (red bars). Fig. S2. (A) Agglutination of Alb58 proteins with cRBCs. (B) Agglutination of Sc18 proteins with cRBCs. Fig. S3. Qualitative sialic acid linkage analysis ... species (i.e. with observed relative molecular masses of 2297.6 and 2589.1), the fragmentation patterns are consistent with two species: one with a lactosamine extension and one...

Ngày tải lên: 14/02/2014, 19:20

... allosteric DNAzyme with dual RNA-cleaving and DNA-cleaving activities Dazhi Jiang*, Jiacui Xu*, Yongjie Sheng, Yanhong Sun and Jin Zhang Key Laboratory for Molecular Enzymology and Engineering ... China Introduction DNAzymes are efficient biological catalysts that strengthen the catalytic power of nucleic acids [1,2]. To date, a series of DNAzymes with RNA-cleaving (or DNA-cleaving) activi...

Ngày tải lên: 16/02/2014, 15:20

... protein with cer- tain response elements can be controlled by changes in DNA topology inducing formation of non-B DNA structures within the binding sites [11,12]. Interactions of p53 with DNA ... supershifting of DNA complexes with the p73 constructs, which were tagged with hemagglutinin (HA), we used antibody to HA and obtained analogous band patterns to those obtained with p53 (Fi...

Ngày tải lên: 19/02/2014, 05:20

... the RDDT R strain were measured with all recombinant pro- teins, namely testosterone hydroxylation and DDT meta- bolism. Testosterone was hydroxylated at the 2b position with little quantitative variation ... 271, 1250–1257 (2004) Ó FEBS 2004 doi:10.1111/j.1432-1033.2004.04025.x relation with xenobiotic metabolism or with metabolism of endogenous compounds [24,25]. Models for CYP51 we...

Ngày tải lên: 19/02/2014, 12:20

... present an alternative faster O(N logN) algorithm by first topologically sorting along the 2 dimensions. All domi- nated points can be filtered by one-pass by comparing with the most-recent dominating ... the idea of PMO is to replace these raw scores with labels derived from Pareto optimality. 4 Experiments 4.1 Evaluation Methodology We experiment with two datasets: (1) The PubMed task i...

Ngày tải lên: 19/02/2014, 19:20

... 4-ddma-atc and rescreened for induction with 0.4 lm atc and without inducer on MacConkey agar plates. We screened 17 600 colonies with mutations in helix a1, 29 840 with mutations in helix a4 and 3900 ... 4-ddma- atc without altering DNA binding. However, in TetR i2 it leads to 4-ddma- atc dependent repression in combination with reduced DNA binding in the absence of effector. The the...

Ngày tải lên: 20/02/2014, 01:20

... the analysis an arc with label l from the token at the head of the buffer to the token on the top of the stack, and push the buffer-token onto the stack. Right-Arc l Add to the analysis an arc with ... confidence-weighted classifiers with transition-based dependency pars- ing yields results comparable with the state-of-the- art results achieved with Support Vector Machines - with...

Ngày tải lên: 20/02/2014, 04:20

... authors also justified their method by showing that with feature hashing, dot- product is unbiased, and the length of each vector is well-preserved with high probability under some conditions. Plausibly ... explain in detail. In NLP, features can be often expediently expressed with strings. For in- stance, a feature ‘the current word ends with -ing’ can be expressed as a string cur:end...

Ngày tải lên: 20/02/2014, 05:20