Báo cáo khoa học: "Generating a Non-English Subjectivity Lexicon: Relations That Matter" ppt

... (definitions). Nodes and arcs of such a graph are assigned weights, which are then propagated through the graph by iteratively applying a PageRank-like al- gorithm. Initially, weights are assigned to nodes and arcs in ... in Table 4. To allow a fair comparison of the generated rankings, the evaluation measures in this case are calculated separately for two binary classification problems:...

Ngày tải lên: 24/03/2014, 03:20

... Branavan, Pawan Deshpande and Regina Barzilay Massachusetts Institute of Technology {branavan, pawand, regina}@csail.mit.edu Abstract This paper presents a method for the auto- matic generation ... vector data for our model and the baselines are available at http://people.csail.mit.edu/branavan/code/toc. ticular domain, such as medical literature or scien- tific articles. By making strong as...

Ngày tải lên: 17/03/2014, 04:20

... goal that the metaphor is to achieve. 4.1 General Approach The idea behind the approach is to identify re- lated domains of the tenor domain that are appro- priate as metaphorical domains. ... domain. 3 Uses of Metaphor Metaphor is not merely a device that adds a flowery flavor to text. Rather, metaphor can be harnessed to achieve textual goals that may be dif- ficult t...

Ngày tải lên: 31/03/2014, 06:20

... name tagger based on co-training de- cays as the time gap between training data (seeds and unlabeled data) and test data increases (Mota and Grishman, 2008). Compared to the original classifier ... USA grishman@cs.nyu.edu Abstract For many NLP tasks, including named en- tity tagging, semi-supervised learning has been proposed as a reasonable alternative to methods that require annotating l...

Ngày tải lên: 20/02/2014, 09:20

... consisting of a class label, a selecting head, a grammatical relation, and a filler head. The class label is treated as hidden data in the EM- framework for statistical estimation. 2 EM-Based Clustering ... increase.as:s increase.aso:o fall.as:s pay.aso:o reduce.aso:o rise.as:s exceed.aso:o exceed.aso:s affect.aso:o grow.as:s include.aso:s reach.aso:s decline.as:s los...

Ngày tải lên: 08/03/2014, 06:20

... floor, [590] S: hang a left, [600] S: hang another left. look at map gaze at listener gaze at listener look at map look at map look at map look at map speaker’s behavior listener’s behavior 2 Related ... (2) pen gesture via a paper map atop a table with an em- bedded Wacom tablet, and (3) head nod and eye gaze via a stereo-camera-based 6-degree-of- freedom head-pose tracker (base...

Ngày tải lên: 23/03/2014, 19:20

... see that the ANEW usage pat- terns of happy/cheerful and angry/p*ssed off are well separated. Anger, enraged, and rage will be most likely found in the angry/p*ssed off tagged posts and least ... combi- nation with a psychological model of emo- tion measurement and a nonparametric clustering process for inferring meaning- ful emotion patterns automatically from data. Our results on a...

Ngày tải lên: 20/02/2014, 04:20

... sen- tences containing seed verb pairs extracted from UKWAC 1 are annotated manually with two values true/false in order to separate the negative training data. 2. Automatically annotated training set. ... gold standard dataset for type- based classification. We used a small sample of 100 verb pairs randomly selected from the auto- matically labeled corpus. This sample was man- ually annotat...

Ngày tải lên: 07/03/2014, 22:20

... variable while a neutral node variable is a variable that may not be identified with any other node variable. Formally, polari- ties are used to define the class of saturated mod- els. A saturated ... gram- mars that can be used by the generator. Recall that in (Duchier and Thater, 1999)’s parsing model, the assumption is made that each lexical entry has exactly one anchor. In pra...

Ngày tải lên: 20/02/2014, 18:20

... and data already present in the corpus, the URLs of all available data from the website are matched against the IDs of the already extracted data. 2.2 Linguistic Annotation and Information Extraction As ... 9th International Conference on applications of natural language to information systems. Maedche, Alexander, Günter Neumann and Steffen Staab. 2002. Bootstrapping an Ontology-Based In- for...

Ngày tải lên: 22/02/2014, 02:20