Text clustering using frequent weighted utility itemsets

... standard hypergraph to its real value In this case, the weighted hypergraph is constructed by only connecting multiple s We tested this complete weighted hypergraph, and the results are shown as hypergraph ... the final clustering result Our method generates multiple clustering results by random initialization of the NMF, and integrates them with a weighted hypergraph ins...

Ngày tải lên: 20/02/2014, 12:20

... sequences using DWT and neural network DWT decomposes one original image into four sub-bands The transformed image includes one average component sub-band and three detail component sub-bands Each ... operation (FFT) and neural network In this paper, we proposed an efficient method that extracts text regions in video sequences or images using Discrete Wavelet Transform...

Ngày tải lên: 05/11/2012, 14:51

... proposed method using only 14 seeds is shown in Table We no- Algorithm Word Polarity using Random Walks Require: A word relatedness graph G 1: Given a word w in V 2: Define a random walk on the ... until the surfer hits a word with a known polarity Seed words with known polarity act as an absorbing boundary for the random walk If we repeat the number of random walks N times,...

Ngày tải lên: 20/02/2014, 04:20

... typing interface difficult or impossible to use for the most impaired users Simpler interactions via brain-computer interfaces (BCI) hold much promise for effective text communication for these ... symbols is removed and, like before, the user can take a break and then the system continues with the next epoch Language Modeling Language modeling is important for many text...

Ngày tải lên: 20/02/2014, 05:20

... ‘Man-kum’ Comparative and ‘Cheo-rum’ Comparative Society of Korean Semantics, 14:197-221 Nitin Jindal and Bing Liu 2006 Identifying Comparative Sentences in Text Documents, Association for Computing Machinery/Special ... online documents from various domains They discussed their disagreements and they finally annotated 7,384 sentences Table shows the number of compar...

Ngày tải lên: 20/02/2014, 09:20

... two approaches using unlabeled data in text categorization; one approach combines unlabeled data and labeled data, and the other approach uses the clustering technique for text categorization ... to Classify Text from Labeled and Unlabeled Documents, In Proc of AAAI-98 K P Nigam, 2001, Using Unlabeled Data to Improve Text Classification, The dissertation...

Ngày tải lên: 20/02/2014, 16:20

... order facts for discourse planning in natural language generation In Proceedings of the 9th European Workshop on Natural Language Generation, Budapest, Hungary Barbara J Grosz, Aravind K Joshi, and ... Workshop on NLG, pages 98–107, Niagara-on-theLake, Ontario, Canada Eleni Miltsakaki 2002 Towards an aposynthesis of topic continuity and intrasentential anaphora Computational Linguistics...

Ngày tải lên: 17/03/2014, 06:20

... signaled by discourse connectives such as because) discourse relations, but also implicit (i.e., inferred by readers) ones Using Discourse Relations To utilize discourse relations of a text, we ... 4.1 Discourse Role Matrix Figure shows a text and its gold standard PDTB discourse relations When a term appears in a discourse relation, the discourse role of this term is defi...

Ngày tải lên: 23/03/2014, 16:20

... vary between and 1, and the corrected Rand index (Hubert and Arabie, 1985; Denœud and Gu´ noche, 2006): e RC = r − Exp(r) Max(r) − Exp(r) 0.03 0.01 Corrected Rand Index 0.04 0.05 The clustering ... i and POS- tag n-gram k, ni• = k nik and n•k = i nik ) are transformed in this manner: eik √ (1) yik = √ − ρk fi ρk where eik = nik /n are the relative counts, fi = ei• = ni• /n (r...

Ngày tải lên: 24/03/2014, 03:20

... 3: Chunk prediction results using original Winnow (with basic features) Conclusion In this paper, we described a text chunking system using regularized Winnow Since regularized Winnow is robust ... shared tasks: Chunking In Proc CoNLL-2000 and LLL-2000, pages 127132 Hans van Halteren 2000 Chunking with wpdv models In Proc CoNLL-2000 and LLL-2000, pages 154156 Tong Zhang 2001 Re...

Ngày tải lên: 31/03/2014, 04:20

... repetition (e.g ascent and ascent), synonym (e.g ascent and climb) which includes near-synonym and hyponym, superordinate (e.g ascent and task) and general word (e.g ascent and thing) The effect ... troughs placed by the segmentation algorithm to the segmentation points identified by the test subjects for all the texts Discussion: The segmentation algorithm using word repe...

Ngày tải lên: 31/03/2014, 04:20

... aligning sentences in bilingual texts and on statistically acquired word correspondences The texts for the experiment varied in length and genres as summarized in Table Texts and are editorials ... especially for difficult texts, because they contain more complex matches For Text and Text 2, both the combined method and the dictionary method perform much better than the sta...

Ngày tải lên: 31/03/2014, 06:20

... 1998) and Utiyama and Isahara (Utiyama and Isahara, 2001) Finally, other researchers use probabilistic approaches to text segmentation including the use of hidden Markov models (Yamron et al., ... dataset are chosen randomly to be used as training texts; the rest of the samples are set aside to be used as test texts Appropriate and a values are determined using all the training texts...

Ngày tải lên: 31/03/2014, 20:20

... Component palette that make it easy to program menus, toolbars, dialog boxes, and many other visual and nonvisual program elements The text editor application requires an editing area, a status bar for ... dialog box to make it larger • Right-click the dialog box and click Add to add a panel to the status bar Right-click this area to display a context menu Click Add to create a pa...

Ngày tải lên: 16/04/2014, 11:15

... Radiol 2011 doi:10.1186/1752-1947-5-479 Cite this article as: Raja et al.: Diagnosis of pericardial cysts using diffusion weighted magnetic resonance imaging: A case series Journal of Medical ... Diffusionweighted magnetic resonance imaging in focal breast lesions: analysis of 78 cases with pathological correlation Radiol Med 2010, 116:264-275 Raja et al Journ...

Ngày tải lên: 10/08/2014, 23:20