an entityaspect model pattern mining

Báo cáo khoa học: "Generating Templates of Entity Summaries with an Entity-Aspect Model and Pattern Mining" potx

Báo cáo khoa học: "Generating Templates of Entity Summaries with an Entity-Aspect Model and Pattern Mining" potx

... of Entity Summaries with an Entity-Aspect Model and Pattern Mining Peng Li 1 and Jing Jiang 2 and Yinglin Wang 1 1 Department of Computer Science and Engineering, Shanghai Jiao Tong University 2 School ... sentence pattern is mean- ingful for the given category. We can then treat the set of meaningful sentence patterns found by the human judge this way as the ground truth, and precision and recall ... is only at the whole sentence pattern level. We plan to get more human judges and more rigorously judge the relevance and usefulness of both the sentence patterns and the template slots. It is...

Ngày tải lên: 23/03/2014, 16:20

10 504 0
Báo cáo khoa học: "An Improved Extraction Pattern Representation Model for Automatic IE Pattern Acquisition" ppt

Báo cáo khoa học: "An Improved Extraction Pattern Representation Model for Automatic IE Pattern Acquisition" ppt

... Predicate-Argument patterns and Chain -model patterns that contribute to the extraction task. (d) Subtree model patterns that contribute the extraction task. creases. In particular, many of the pattern candidates overlap ... obtain the relevant extrac- tion patterns for the scenario; preprocessing, docu- ment retrieval, and ranking pattern candidates. 3.1 Stage 1: Preprocessing Morphological analysis and Named Entities ... document as retrieved if any of the patterns match any portion of the document, and as random otherwise. Thus, we can get the performance of text classification of the pattern matching system in...

Ngày tải lên: 23/03/2014, 19:20

8 209 0
Tài liệu Báo cáo khoa học: "An Unsupervised Model for Joint Phrase Alignment and Extraction" ppt

Tài liệu Báo cáo khoa học: "An Unsupervised Model for Joint Phrase Alignment and Extraction" ppt

... all models, and for the LM we use an interpolated Kneser-Ney 5-gram model. For GIZA ++, we use the standard training reg- imen up to Model 4, and combine alignments with grow-diag-final-and. ... for topic models. Journal of Machine Learning Research, 10:1801–1828. Franz Josef Och, Christoph Tillmann, and Hermann Ney. 1999. Improved alignment models for statistical ma- chine translation. ... for the proposed models in future work. 7 Experimental Evaluation We evaluate the proposed method on translation tasks from four languages, French, German, Span- ish, and Japanese, into English. de-en...

Ngày tải lên: 20/02/2014, 04:20

10 641 0
An Equilibrium Model of Rare-Event Premia and Its Implication for Option Smirks potx

An Equilibrium Model of Rare-Event Premia and Its Implication for Option Smirks potx

... include Gilboa and Schmeidler (1989), Epstein and Wang (1994), Anderson, Hansen, and Sargent (2000), Chen and Epstein (2002), Hansen and Sargent (2001), Epstein and Miao (2003), Routledge and Zin (2002), ... Epstein, Lars Hansen, John Heaton, Michael Johannes, Monika Piazzesi, Bryan Routledge, Jacob Sagi, Raman Uppal, Pietro Veronesi, Jiang Wang, an anonymous referee, and seminar participants at CMU, ... Rare-Event Premia and Its Implication for Option Smirks Jun Liu Anderson School at UCLA Jun Pan MIT Sloan School of Management, CCFR and NBER Tan Wang Sauder School of Business at UBC and CC FR This...

Ngày tải lên: 07/03/2014, 10:20

34 500 0
Báo cáo khoa học: "A DOM Tree Alignment Model for Mining Parallel Data from the Web" doc

Báo cáo khoa học: "A DOM Tree Alignment Model for Mining Parallel Data from the Web" doc

... a general and reliable pattern for parallel data mining. Many bilingual websites not supporting URL pattern- based mining scheme support this new mining scheme. Our mining experiment shows ... per- formance enhancement by 7% in both precision and recall. Besides, the new mining scheme re- duce the bandwidth cost by 8~9 times on average compared with the URL pattern- based mining scheme. ... new mining scheme is more general and reliable, and is able to mine more data. Using the new mining scheme alone, the mining throughput is increased by 32%, and when combined with URL pattern- based...

Ngày tải lên: 08/03/2014, 02:21

8 435 0
Báo cáo khoa học: "PageRanking WordNet Synsets: An Application to Opinion Mining∗" ppt

Báo cáo khoa học: "PageRanking WordNet Synsets: An Application to Opinion Mining∗" ppt

... resources and linguistic the- ory: Typology, second language acquisition, English linguis- tics. Franco Angeli Editore, Milano, IT. Forthcoming. Andrea Esuli and Fabrizio Sebastiani. 2005. Determining ... Shanahan, Yan Qu, and Janyce Wiebe, editors, Computing Attitude and Affect in Text: Theories and Applications, pages 93–107. Springer, Heidelberg, DE. Sanda H. Harabagiu, George A. Miller, and ... Grefenstette, Yan Qu, David A. Evans, and James G. Shanahan. 2006. Validating the coverage of lexical re- sources for affect analysis and automatically classifying new words along semantic axes....

Ngày tải lên: 08/03/2014, 02:21

8 436 0
Báo cáo khoa học: "An Ensemble Model that Combines Syntactic and Semantic Clustering for Discriminative Dependency Parsing" pptx

Báo cáo khoa học: "An Ensemble Model that Combines Syntactic and Semantic Clustering for Discriminative Dependency Parsing" pptx

... baseline. The ensemble model outperforms all of the individ- ual models and does so very consistently across both first-order and second-order dependency models. Error Analysis To better understand the contri- bution ... Nivre and McDonald, 2008; Attardi and Dell’Orletta, 2009; Surdeanu and Manning, 2010). Essentially, all of these approaches combine dif- ferent dependency parsing systems, i.e. transition- based and ... collection of diverse and accurate models into a more powerful model. In this paper, we construct the base models based on different syntactic/semantic clusters used in the features in each model. Our ensemble...

Ngày tải lên: 17/03/2014, 00:20

5 250 0
How to Build an Economic Model in Your Spare Time pot

How to Build an Economic Model in Your Spare Time pot

... principles and models. Most likely your model is a special case of one of these general models. If so you can immediately apply many of the results concerning the general model to your special case, and ... usually better than newspapers because they go into issues in more depth. On the other hand, a shallower analysis may be more 1 and less. This back-and-forth iteration in building a model is like ... paper There’s an old joke about academic papers. They are all supposed to have three parts. The first part, everyone can understand. The second, only a handful of readers can understand. The last...

Ngày tải lên: 17/03/2014, 06:20

17 454 1
Báo cáo khoa học: "AN EMPIRICAL MODEL OF ACKNOWLEDGMENT" docx

Báo cáo khoa học: "AN EMPIRICAL MODEL OF ACKNOWLEDGMENT" docx

... initiates an ex- change, Other (eventually) completes the ex- change, and Self then utters an acknowledg- ment; and • Self÷ackn, where Self includes an acknowledg- ment in an utterance outside ... state of the dialogue model and thus plays an important role in determining an appropriate response by the system. In producing such responses, the acknowl- edgment model can provide structurally ... the antecedent exchange and indicate that the dialogue will either enter a new exchange or resume an existing exchange. Furthermore, self ~other ~ackn acknowledgments signal under- standing...

Ngày tải lên: 17/03/2014, 09:20

6 376 0
Báo cáo Y học: An alternative model for photosystem II/light harvesting complex II in grana membranes based on cryo-electron microscopy studies pptx

Báo cáo Y học: An alternative model for photosystem II/light harvesting complex II in grana membranes based on cryo-electron microscopy studies pptx

... adjacent membrane. This ®ts the structural and biochemical data, w here PSII core complexes can be observed in one discrete plane and membrane fraction, and LHCII complexes can be observed in another membrane ... Tris/urea-treated membranes as determined by SDS/PAGE and Coomassie staining. The left lane shows band a and the right lane band c. Molecular mass markers are ind icated o n t he left of the panel. Ó FEBS ... structure/function and suggests potential links between cyanobacterial and plant PSII light harvest- ing systems. EXPERIMENTAL PROCEDURES Barley viridis zb63 grana membranes were prepared, and electron...

Ngày tải lên: 17/03/2014, 17:20

11 456 0
Báo cáo khoa học: "An Unsupervised Model for Statistically Determining Coordinate Phrase Attachment" pptx

Báo cáo khoa học: "An Unsupervised Model for Statistically Determining Coordinate Phrase Attachment" pptx

... Supervised models are limited by the amount of annotated data avail- able for training. Such a model is useful only for languages in which annotated corpora are available. Because an unsupervised model ... the model will be tested on a testing corpus. When evaluating the effectiveness of an un- supervised model, it is helpful to compare its performance to that of an analogous supervised model. ... The model pre- sented here is based on JAR98], an unsupervised model for determining prepositional phrase at- tachment. After training on unannotated 1988 Wall Street Journal text, the model...

Ngày tải lên: 23/03/2014, 19:20

5 217 0
An Object Behavioral Pattern for Demultiplexing and Dispatching Handles for Synchronous Events docx

An Object Behavioral Pattern for Demultiplexing and Dispatching Handles for Synchronous Events docx

... Dispatcher handle_events() register_handler(h) remove_handler(h) select (handlers); foreach h in handlers loop h.handle_event(type) end loop Event HandlerEvent Handler handle_event(type) get_handle() handlers HandleHandle owns uses notifies ConcreteConcrete EventEvent HandlerHandler Synchronous ... (sock); get_handle() EXTRACT HANDLEEXTRACT HANDLE LOGGING RECORDLOGGING RECORD HandlesHandles REGISTER HANDLERREGISTER HANDLER FOR INPUTFOR INPUT register_handler(lh, READ_EVENT) 8 Handles can have operations invoked ... inherits from Event Handler. The Adapter pattern [5] be employed to support both objects and functions simultaneously. For instance, an adapter could be defined using an event handler object that holds...

Ngày tải lên: 30/03/2014, 16:20

11 514 0
An introduction to pattern recognition   michael alder

An introduction to pattern recognition michael alder

... Compression Schemes Models and Data: Some models are better than others■ ❍ Maximum Likelihood Models Where do Models come from?■ ❍ Bayesian Methods Bayes' Theorem■ Bayesian Statistics■ Subjective ... Ideas History, and Deep Philosophical Stuff The Origins of Probability: random variables■ Histograms and Probability Density Functions■ Models and Probabilistic Models■ ❍ Probabilistic Models as ... Principles Issues and methods■ Invariance in practice■ ❍ Measurement practice Quick and Dumb■ Scanline intersections and weights■ Moments■ Zernike moments and the FFT Historical Note■ ■ Masks and templates■...

Ngày tải lên: 18/04/2014, 10:47

561 746 0
discovering knowledge in data an introduction to data mining

discovering knowledge in data an introduction to data mining

... Carl, Diane, Eve, Frank, and George. When they arrive, they shake hands with each other (strange European custom). This group is strange anyway, because one of them asks, “How many handshakes ... n boys and n girls go out to dance. In how many ways can they all dance simultaneously? (We assume that only couples of mixed gender dance with each other.) 1.6.2 (a) In how many ways can 8 people ... table if Alice, too, can sit anywhere? After the cake, the crowd wants to dance (boys with girls, remember, this is a conservative European party). How many possible pairs can be formed? OK, this...

Ngày tải lên: 01/06/2014, 01:16

302 270 0

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