Tài liệu Báo cáo khoa học: "A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts" doc

... A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts Bo Pang and Lillian Lee Department of Computer ... incorporation of cross-sentence contextual constraints. 1 Introduction The computational treatment of opinion, sentiment, and subjectivity has recently attracted a great deal of attention (see references), ... polarity-cl...

Ngày tải lên: 20/02/2014, 16:20

... data- base NCBInr using mascot (Matrix Science, Boston, MA, USA). Cloning, expression, and purification of Fdx Fdx (TTC1809) was amplified by PCR using genomic DNA as a template and two oligonucleotide ... condi- tions was determined by gel filtration on a Superdex- 200HR column, which was calibrated using molecular mass standards and equilibrated with buffer A containing 150 mm KCl. Gel...

Ngày tải lên: 18/02/2014, 08:20

... required for the aminoacylation reaction are present at sufficient con- centration in the crystallization solution, the aminoacy- lation reaction does not occur during the long time needed for crystal ... also containing the ATP analog adenosine-5¢-(b,c-imido)triphosphate (ANP); we found one reasonable mechanism, based on newly obtained structural information about the posi- tion of ATP bo...

Ngày tải lên: 18/02/2014, 11:20

... conflict with one another. Let us note that this general framework for error detection and correc- tion is an original contribution of our work. In ad- dition, we incorporate probabilities conditioned ... that are commonly used in learner dictionaries. For instance, we use V-ing for the tag VBG denoting the progressive verb form, and Pron and Pron$ denotes a pronoun and a possessive pronou...

Ngày tải lên: 20/02/2014, 05:20

... representation language. For any such system, only a fraction of the pos- sible sentences of the representation language will correspond to direct translations of NL sentences, and the only way ... and we can sometimes tell whether one sentence entails another, or whether one con- tradicts another. To get from here to a decision that one representation scheme is more appropri- ate tha...

Ngày tải lên: 22/02/2014, 10:20

... nutrient acquisition despite varying nutritional conditions in soil [1]. K + concentrations in soil usually range from 0.04% to 3%, but the worldwide distribution of K + is incon- sistent [2]. ... inhibition of plant growth and development [4]. As K + availability in soil may vary considerably, depending on environmental and soil conditions, plants must be able to adjust to changing K + con...

Ngày tải lên: 14/02/2014, 18:20

... invasion, and is sub- jected to a specific array of post-translational modifications, namely acety- lation, methylation and phosphorylation. Both ENOA overexpression and its post-translational modifications ... in the ENOA amino acid sequence. Cell type Acetylation Methylation Phosphorylation Reference Residue Position Residue Position Residue Position Embryonic kidney Tyr 57 111 Ser 63 Normal p...

Ngày tải lên: 14/02/2014, 19:20

... steady-state concentrations. We present a method based on dynamic modelling that allows for the quantification and visualization of cellular rates of metabolite interconversion during an acclimation pro- cess ... depends on the concentration of the reaction product and the dissociation constant K i,B for inhibitor binding. The rate of hexose -based sucrose synthesis was described by the...

Ngày tải lên: 14/02/2014, 22:20

... construction of calibration curves across the 186 genes with threshold values, dis- tinguishing signals that arise from actual amplification from arising from nonspecific amplification. As demonstrated ... information on glyc- ogenes. In the GGDB, the information on each glyco- gene is stored in XML format: gene names (gene symbols), enzyme names, DNA sequences, tissue distri- bution (gene e...

Ngày tải lên: 16/02/2014, 08:20

... siRNA Control siRNA β-catenin siRNA Con D1 D2 Con D1 D2 Con D1 D2 Con D1 D2 Con D1 D2 Con D1 D2 Con D1 D2 Con D1 D2 Con D1 D2 Collagen-I GAPDH 0.0 0.2 0.4 0.6 0.8 1.0 1.2 β-catenin siRNA Control ... and a-defensin-2 on lung fibroblast proliferation are concentration-dependent. a-defensins in concentrations similar to those in inflammatory lung diseases promote proliferation and collagen synt...

Ngày tải lên: 18/02/2014, 06:20