unsupervised classification of reviews

Ngày tải lên: 08/03/2014, 07:20

Ngày tải lên: 17/03/2014, 04:20

... knee joint [8]. This classification system consists of 4 stages (Table 1) and combines intraarticular findings of the soft tissues as well as radiological alterations of the infected joint. ... expectancy of the im- plants is increased and patients are followed up longer. Depending on the time of infection manifesta- tion, presence of any hardware, virulence and antibi- otic profile of the ... revision surgery. Table 1: Arthroscopic classification of joint infections according to Gächter [8]. Stage I opacity of fluid, redness of the synovial membrane, possible petechial bleeding,...

Ngày tải lên: 26/10/2012, 09:57

Ngày tải lên: 25/12/2013, 10:41

... pixels of the four basins. Table 1. K values of main soil groups and classification by erosive characteristics No Type of mountain soil Symbology Number of profiles K Average K Classification ... 1998). 3. The results of erosion potential classification - Based on Binh Dinh profile’s file (Vietnam Association of Soil Sciences, 1997), values of K for 117 hill soil profiles throughout the ... development. Therefore, the classification of erosion potential and the identification of highly assuming erosive areas (regardless of the role of the forest cover) are of a great significance in...

Ngày tải lên: 13/02/2014, 12:20

Ngày tải lên: 14/02/2014, 07:20

... [A(I):ρ I (A(I))] of ρ I ,ifI ⊃ I 0 . The (statistical) dimension d(ρ )of is the square root of the index. The unitary equivalence [ρ] class of a representation ρ of A is called a sector of A. 2.1.2. ... extensions of completely rational nets in connection with extensions of the Virasoro nets. 2.1. Conformal nets on S 1 . We denote by I the family of proper intervals of S 1 .Anet A of von Neumann ... classification of Q-systems up to equivalence when a system of endomorphisms is given and ρ is a direct sum of endomorphisms in the system. 2.5. Classification of local extensions of the SU(2) k net....

Ngày tải lên: 14/02/2014, 17:20

... variability of the subjects vaccinated, the nature of the mycobacteria endemic in different parts of the world, the use of different strains of BCG for immunization, and the use of different doses of ... concentration of a drug is the level of drug that inhibits the growth of most cells within the population of a “wild” type strain of tubercle bacilli with- out appreciably affecting the growth of the ... and posterior segments of the right upper lobe and the apical–poste- rior segment of the left upper lobe. Healing of the tuberculous lesions usually results in development of a scar with loss of lung parenchymal...

Ngày tải lên: 15/02/2014, 12:20

... nature of our proof of the Topological Classification The- orem provides an explicit description of any properly embedded minimal sur- face in terms of the ordering of the ends, the parity of the ... Two TOPOLOGICAL CLASSIFICATION OF MINIMAL SURFACES 687 two slabs each containing fewer ends of F . Since the number of ends of F ∩ S is finite, the existence of the required collection of planes follows ... ordering of ends. The proof of the case where F has two limit ends is similar. Let W be the set of closures of the components of H 1 −∪D 1 and H 2 −∪D 2 . Given W ∈W, let P(W ) be the collection of...

Ngày tải lên: 16/02/2014, 06:20

... to measure the impact of each of the four subsets of features explained in Section 3. Ta- ble 3 shows the cross validation results when cu- mulatively adding each set of features. Applying the ... Syntactic Features: Part -of- speech tags of the three words preceding the medical term and the three words following it. 312 create one classifier for each type of label using instances with ... 76.38 79.76 Table 2: Result Comparison of Test Data The micro-averaged F 1 -measure of our new system is 94.17%, which now outperforms the best official score reported for the 2010 i2b2...

Ngày tải lên: 20/02/2014, 05:20

... sequence of Colloc(ations), each of which consists of a sequence of Words. sible for an adaptor grammar to generate a sentence as a sequence of collocations, each of which con- sists of a sequence of ... expands to each of the 50 dis- tinct phonemes present in the Brent corpus. This grammar defines a Sentence to consist of a sequence of Words, where a Word consists of a sequence of Phonemes. The ... Journal of Child Language, 12:271–296. Karin M¨uller. 2001. Automatic detection of syllable boundaries combining the advantages of treebank and bracketed corpora training. In Proceedings of the...

Ngày tải lên: 20/02/2014, 09:20

... 0.6 0.7 0.8 0.9 1 10 100 1000 10000 100000 1e+06 size(KB) recall precision 434 Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 428–435, Sydney, July 2006. c 2006...

Ngày tải lên: 20/02/2014, 12:20

... of the same randomized sets of sentences used by Smith and Eisner. Note that training on sets of contiguous sentences from the beginning of the treebank con- sistently improves our results, often ... variation of information (Meilˇa, 2002). The variation of information (VI) be- tween two clusterings C (the gold standard) and C ′ (the found clustering) of a set of data points is a sum of the ... Bayesian Approach to Unsupervised Part -of- Speech Tagging ∗ Sharon Goldwater Department of Linguistics Stanford University sgwater@stanford.edu Thomas L. Griffiths Department of Psychology UC Berkeley tom griffiths@berkeley.edu Abstract Unsupervised...

Ngày tải lên: 20/02/2014, 12:20

... in this paper was twofold. Firstly, we wanted to compare the performance of different machine learning algorithms on the task of map- ping from a vector of web frequencies of para- phrases containing ... of a predi- cate verb or preposition (Levi 1978). However, whether the set of possible predicates numbers 5 or 50, there are likely to be some examples of noun phrases that fit into none of ... “by”; one of the queries would be: “invention by student” OR “invention by a student” OR “invention by the student” This returns the sum of the number of pages matched by each of these three...

Ngày tải lên: 20/02/2014, 12:20

... respective localisations of the first lesion of primary and that of secondary disease. In explanation of the localisation of the first lesion of primary disease in the absence of acquired resistance ... demonstration of the truth of this law is to be found in the study of a large series of cases (I have personally observed several hundreds) in which the course of the primary type of the disease ... SEKULICH 159 Pathogenetic Basis of the Classification My classification was primarily based on clinical and pathological study of many cases over long periods of years. It has now been found...

Ngày tải lên: 06/03/2014, 04:20

... risk of the underlying pool of instruments. This condition would be met in respect of a tranche if, for example, in the event of the underlying pool of instruments losing 50% as a result of credit ... instrument-specific component of the internal rate of return determined in Step 1. Step 3 At the end of the period Deduct the present value calculated in Step 2 from the fair value of the financial liability ... a net amount of zero on repayment of the financial liability at its contractual maturity. Under the default method as described above, the calculation of the credit risk component of the change...

Ngày tải lên: 07/03/2014, 16:20

... candidates. Of the 740 cloze tests, 714 of the removed events were present in their respective list of guesses. This is encouraging as only 3.5% of the events are unseen (or do not meet cutoff thresholds). When ... thus a tuple of the event and the typed dependency of the protagonist: (event, depen- dency). A narrative chain is a set of narrative events {e 1 , e 2 , , e n }, where n is the size of the chain, ... presorted topics of doc- uments to learn inferences. In addition, we applied state of the art temporal classification to show that sets of events can be partially ordered. Judgements of coherence...

Ngày tải lên: 07/03/2014, 17:20

... a good start). In Proceedings of the ACL. S. Goldwater and T. L. Griffiths. 2007. A fully Bayesian approach to unsupervised part -of- speech tagging. In Proceedings of the ACL. M. Hyder and K. Mahata. ... minimize the size of the model simultane- ously. We define the size of a model as the number of non-zero probabilities in its parameter vector. Let θ 1 , . . . , θ n be the components of θ. We would like ... Optimization of an MDL-Inspired Objective Function for Unsupervised Part -of- Speech Tagging Ashish Vaswani 1 Adam Pauls 2 David Chiang 1 1 Information Sciences Institute University of Southern...

Ngày tải lên: 07/03/2014, 22:20

... English data is an edited ver- sion of the public-domain portion of the corpus used by Sonderegger (2011), and consists of just under 12000 stanzas spanning a range of poets and dates from the 15 th to ... 2011. c 2011 Association for Computational Linguistics Unsupervised Discovery of Rhyme Schemes Sravana Reddy Department of Computer Science The University of Chicago Chicago, IL 60637 sravana@cs.uchicago.edu Kevin ... extremely useful for large-scale statistical analyses of poetic texts. • Historical Linguistics/Study of Dialects Rhymes of a word in poetry of a given time period or dialect region provide clues...

Ngày tải lên: 07/03/2014, 22:20

Ngày tải lên: 08/03/2014, 01:20