learning wordclass lattices for definition

... 2010. c 2010 Association for Computational Linguistics Learning Word-Class Lattices for Definition and Hypernym Extraction Roberto Navigli and Paola Velardi Dipartimento di Informatica Sapienza Universit ` a ... describe our learning algorithm based on Word-Class Lattices. The algorithm consists of three steps: 1320 4. The high performance as compared with the best-known methods for both definition and hypernym ... a term occurs are typically definitional, that is they provide a formal explanation for the term of interest. While it is not feasible to manually search texts for definitions, this task can be...

Ngày tải lên: 20/02/2014, 04:20

... given for each baseline. For example, Wikipedia-Sentence-PMI-max means that we used the maximum PMI values of content words in the definition calculated from Wikipedia, with sentence as the unit for ... outperforms baselines that use single IR-related and positional measures for ranking. We are currently in the process of building a dialogue system that uses the quiz-style ranking for definition presentation. ... 117–120, Prague, June 2007. c 2007 Association for Computational Linguistics Learning to Rank Definitions to Generate Quizzes for Interactive Information Presentation Ryuichiro Higashinaka and Kohji Dohsaka...

Ngày tải lên: 08/03/2014, 03:20

... possible hypotheses of latent vectors for the definition of bank#n#1 2 Learning Latent Semantics of Definitions 2.1 Intuition Given only a few observed words in a definition, there are many hypotheses ... Association for Computational Linguistics, pages 140–144, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Learning the Latent Semantics of a Concept from its Definition Weiwei ... extended dictionary definitions. The definitions are extended by definitions of neighbor senses to discover more overlapping words. How- ever, exact word matching is lossy. Below are two definitions from...

Ngày tải lên: 19/02/2014, 19:20

... cooperativity between the lobes is required for iron release [7,8]. Transferrin adopts a ‘closed’ (holo) conformation when iron enters the cleft, and an ‘open’ (apo) conformation when iron is released. ... lobe were required for the interaction with Ggly. The affinity of Ggly for each of the two authentic monoferric transferrins was simi- lar and only slightly weaker than the affinity for recombinant ... demonstrated that Glu7 acts as a ligand for the first ferric ion, and that Glu8 and Glu9 act as ligands for the second ferric ion, in the gastrin– ferric ion complex for both Ggly [12] and Gamide [13]. To...

Ngày tải lên: 07/03/2014, 02:20

... for the sophis- ticated grammar, we see that for the less balanced datasets (i.e. the punct and pron types) the BRF classifier outperforms the NB classifier. For these two types there were no definitions ... best recall or best balance. Information on structure in all cases results in a higher number of correctly classified definitions. The recall for the definition class is for all types remarkably higher ... read e-books.’ Table 1: Examples for each of the definition types. ing objects in an elearning enivronment and are thus representative for the glossary creation con- text in which we will use definition extraction. Based...

Ngày tải lên: 08/03/2014, 21:20

Ngày tải lên: 22/06/2014, 19:20

... passage, the term “terra-forming” refers to. a. a process for adapting plants to live on Mars. b. a means of transporting materials through space. c. a method of building housing for colonists on Mars. d. a ... b. failure c. disruption d. absence 57. a. type b. design c. standard d. degree 58. a. received b. formed c. gained d. acquired 59. a. unfamiliar b. unlikely c. unpleasant d. uncovered 60. a. unrecognized b. unknown c. unforeseen d. unearth III. use of English ... sanitation and public…… …………… hygiene controls, legal safety standards for motoring vehicles and road .(49), are easily………… taken for granted, but simply do not exist in many countries. Environmental...

Ngày tải lên: 28/08/2013, 13:10

... habitat for more than ten thousand kind of spiders, ants, and other insects. More species of amphibians, birds, insects, mammals, and reptiles live in rainforests than anywhere else on earth. Unfortunately, ... acres of rainforest is being cleared. By the time you finish reading this passage, two hundred acres will have been destroyed! When this happens, constant rains erode the former foresr floor, ... animals. A. live in twenty rainforests B. live in several hundred different varieties of trees C. live in areas where the rainforest has been cleared D. live in a forty-degree band of latitude 76....

Ngày tải lên: 28/08/2013, 13:10

... seems to be made for the comfort of the inhabit-ants”. By the above sentence, the author really wants to say that A. townspeople like comfort B. there are many facilities provided for townspeople C. ... house. unbelievable? Even though I had discovered all this very interesting information about the jumbo, when I saw it for the first time, just before I was going to travel to Canada, I still couldn’t believe ... so expensive for them and I know Tom’s business isn’t doing so well at the moment – it would also be tiring for the children – it’s a nine-hour flight!” he says. To get ready for the flight...

Ngày tải lên: 28/08/2013, 13:10

... ever asked me that question before. In the passive voice: A. That question has ever been asked me by no one before. B. That question has never been asked me before by anyone C. I have not ... asked me before by anyone C. I have not ever been asked that question before D. I have never been asked that question before 45. Our teacher said “The Second world war broke out in 1939”. Indirect ... language. D. The use of English for science and Technology. 62. Approximately when did English begin to be used beyond England? A. in 1066 B. around 1350 C. before 1600 D. after 1600 63. According...

Ngày tải lên: 28/08/2013, 13:10

... enough money to pay for the book. B. The book costs a little more than I have with me. C. I have just enough money to pay for the book. D. I need a few more dollars to pay for the book. 74. My ... “essential” is closest in meaning to ……. A. required for B. desired for C. similar to D. beneficial to 62. Which of the following is true for rats when they are fed a fat-free diet? A. They stop ... want. B. Robots would be used like slaves, therefore, free people can do more of the things they want. C. Robots would be used as slaves, therefore, freeing people to do more of the things...

Ngày tải lên: 28/08/2013, 13:10

... others These factors form the basis for a methodology of questioning. When faced with a difficult problem, the starting point for team discussion is Advising. What information do we need? ... informed. This model should be the basis for any Team Learning processes established in your organization. It provides a structure and a language to ensure that the essential activities for ... with Team Learning. It is a process you can commence tomorrow and it just may help you prevent your self-managed team strategy from failing." What is Team Learning? Team Learning...

Ngày tải lên: 28/10/2013, 08:15

Ngày tải lên: 28/12/2013, 20:49

... Computational Linguistics Learning Word Vectors for Sentiment Analysis Andrew L. Maas, Raymond E. Daly, Peter T. Pham, Dan Huang, Andrew Y. Ng, and Christopher Potts Stanford University Stanford, CA 94305 [amaas, ... smoothing scheme for 146 Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics, pages 142–150, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational ... per- formance to other approaches, and performed best when concatenated with bag of words representa- tion. Again the variant of our model which utilized extra unlabeled data during training performed...

Ngày tải lên: 20/02/2014, 04:20

... values for certain features will not be available for many examples. The problem of data sparse- ness increases as more knowledge is exploited and this can cause problems for the machine learning ... customized for this monolingual task, the ILP approach signif- icantly outperforms the majority sense baseline and performs as well as the state-of-the-art system re- porting results for the same ... used by most of the machine learning algorithms conven- tionally employed to WSD, for example Naïve Bayes and decision-trees. First-order logic, a more expressive formalism which is employed...

Ngày tải lên: 08/03/2014, 02:21

... words. The baseline performance achieved by always guessing the majority class is 67.09% for break index, 54.10% for pitch accent, 66.23% for phrase accent and 79.37% for boundary tone based ... boundary tone model, the best perfor- mance for all other three models improve sig- nificantly over the simple model with p=0.0017 for break index model, p=0 for both pitch ac- cent and phrase ... not perform as well as the original model. To confirm that the simplified model still performs reasonably well, the new simplified models are tested by 1006 Learning Intonation Rules for Concept...

Ngày tải lên: 08/03/2014, 05:21

... technology to whatever you are working on. Visit informit.com/learningseries for a complete list of available publications. Addison-Wesley Learning Series ptg8286261 13 The Geometry of a 3D ... practices for OpenGL ES and can even serve as a template for your own cross-platform library if you decide you need one. Errata This book’s website, http://opengles.cosmicthump.com /learning- opengl-es-errata/, ... store information for each vertex typedef struct { GLKVector3 positionCoords; } SceneVertex; ///////////////////////////////////////////////////////////////// // Define vertex data for a triangle...

Ngày tải lên: 15/03/2014, 02:20

Ngày tải lên: 16/03/2014, 00:20

Ngày tải lên: 17/03/2014, 04:20

Ngày tải lên: 23/03/2014, 11:21