bayesian learning of non compositional phrases with synchronous parsing

... only learning small non- compositional phrases. We address the tendency of EM to overfit by using Bayesian methods, where sparse priors assign greater mass to parameter vec- tors with fewer non- zero ... count the number of word links emit- ted from the substring f l m . The non- compositional phrase pairs satisfy e(i, j) = f(l, m) ≤ 1. Figure 3 (a) shows all possible non- compositional phrases given ... pruning to prune the bitext space within each of the sentence pairs; ITG parsing will be car- ried out on only this this sparse set of bitext cells. The first stage of training is word-based ITG,...

Ngày tải lên: 17/03/2014, 02:20

... to separate compositional phrases and non- compositional ones is to check the existence and mu- tual information values of phrases obtained by sub- stituting one of the words with a similar ... Identification of Non- compositional Phrases Dekang Lin Department of Computer Science University of Manitoba and Winnipeg, Manitoba, Canada, R3T 2N2 lindek@cs.umanitoba.ca UMIACS University of Maryland ... idea of separating non- compositional phrases from compositional ones with mutual information, we must use a criterion to de- termine whether or not the mutual information val- ues of two...

Ngày tải lên: 31/03/2014, 04:20

... the expense of a much larger grammar. Figure 3 shows a histogram of subtree size taken from the counts of the subtrees (by token, not type) actually used in parsing WSJĐ23. Parsing with the minimal ... 4 August 2009. c 2009 ACL and AFNLP Bayesian Learning of a Tree Substitution Grammar Matt Post and Daniel Gildea Department of Computer Science University of Rochester Rochester, NY 14627 Abstract Tree ... grammars outperform all of them. Nearly all of the rules of the best single iteration sampled grammar (100, 0.8, 500) are lexicalized (50,820 of 60,633), and almost half of them have a height greater...

Ngày tải lên: 17/03/2014, 02:20

... 17), the rate of MACE ranged from 3.1%,to 12.8%, at the end of the two-year period. In our trial, however, the incidence of MACE in the ZES treated group was 10% at the end of the two year ... the small number of patients, lack of direct randomisation and relatively low compliance with angiographic follow-up. CONCLUSIONS Based on the two-year clinical results of this study it ... departmental resources. Conflict of Interest None declared. References 1. Kastrati A, Mehilli J, Pache J, et al. Analysis of 14 trials com- paring sirolimus-eluting stents with bare-metal stents. N...

Ngày tải lên: 25/10/2012, 11:18

Ngày tải lên: 03/01/2014, 19:44

... Motor with Non- sinusoidal Back-EMF without position sensor Abstract: In this paper, the position sensorless direct torque and indirect flux control (DTIFC) of BLDC motor with nonsinusoidal ... the validity and effectiveness of the sensorless three-phase conduction DTC of a BLDC motor drive with six-switch inverter. 2. The Proposed Sensorless DTC of Four-Switch BLDC Motor Drive ... surface-mounted permanent magnet synchronous machines with non- sinusoidal back-EMF (BLDC, and etc.). It is shown in [5] that only electromagnetic torque in the DTC of BLDC motor drive under two-phase...

Ngày tải lên: 03/01/2014, 19:45

Ngày tải lên: 03/01/2014, 19:50

... activates prior knowledge of students + + + 22. T gives clear instruction (of the language items, of the tasks) with model    23. T selects appropriate learning activities, exercises ... student work on the spot, checks the answers with the whole class, corrects typical errors at the end of the activities + -  D- Collaborative learning activity 31. T does good instruction ... student work on the spot, checks the answers with the whole class, corrects typical errors at the end of the activities +  +- D- Collaborative learning activity 33. T does good instruction...

Ngày tải lên: 29/01/2014, 10:58

... t, the set of its nodes N (t), and a set of anchors, we build a tree t  with all the nodes N  that are anchors or ancestors of any anchor. Moreover, we add to t  the leaf nodes of the original ... rows report the cross-pair similarity carried out with Eq. 6 with (Synt Trees with placeholders) and without (Only Synt Trees) augmenting the trees with placehold- ers, respectively. Each column ... ex- amples of the previous section. From the point of view of bag -of- word methods, the pairs (T 1 , H 1 ) and (T 1 , H 2 ) have both the same intra-pair simi- larity since the sentences of T 1 and...

Ngày tải lên: 20/02/2014, 12:20

... frequent preposition is of with a coverage of 70.31% (Europarl) and 85.08% (CLUVI). Moreover, in the Europarl cor- pus, 26.39% of the instances are synthetic phrases (where one of the nouns is a nominalization) ... BENEFICIARY. Out of these instances, 74.81% use the preposition of. In CLUVI, 11.71% of the examples were ver- bal, from which the preposition of has a coverage of 82.20%. The many-to-many mappings of the ... most of the time consistent in the choice of preposition (e.g. most of the time, if the preposition ’de’ ( of ) is used in French, then the 573 POSSESSION (family estate); KINSHIP (sister of the...

Ngày tải lên: 17/03/2014, 04:20

... test phrases began with a capital letter.) There were 240 such cases out of our sample of 1195 hypothesized transla- tion pairs. The performance of the algorithm on this "hard" subset of ... approximations of these probabilities es- timated from sets of single-word associations with estimates based on occurrences of the complete phrases. This whole-phrase-based inside score is com- bined with ... the standard de- viation of the initial estimates of the inside scores 262 Learning Translations of Named-Entity Phrases from Parallel Corpora Robert C. Moore Microsoft Research Redmond, WA...

Ngày tải lên: 17/03/2014, 22:20

... of Bosnia and Herzegovina (1997) Association of Support to HIV-Infected and Affected Children and Their Families (2003) Association of the Bar of the City of New York (1997) Association of ... Federation of Non- Governmental Organizations for the Prevention of Drug and Substance Abuse (1989) International Federation of Persons with Physical Disability (1983) International Federation of Resistance ... Association of Indigenous Peoples of the North, Siberia and Far East of the Russian Federation (2001) Association of Interbalkan Women’s Cooperation Societies (1998) Association of Language...

Ngày tải lên: 23/03/2014, 21:20

... Corpus-Based Identification of Non- Anaphoric Noun Phrases David L. Bean and Ellen Riloff Department of Computer Science University of Utah Salt Lake City, Utah 84112 {bean,riloff}@cs.utah.edu Abstract ... noun phrases that are non- anaphoric, which has the potential to improve the efficiency and accuracy of coreference resolu- tion systems. Our algorithm generates lists of non- anaphoric noun phrases ... represent a significant por- tion of the existential noun phrases in a text. In our research, we found that existential NPs ac- count for 63% of all definite NPs, and 24% of them could not be identified...

Ngày tải lên: 31/03/2014, 04:20

... presenting with symptoms of non- specific arm pain” is explored and validated. The efficacy of the Bayesian technique is compared with simple voting methods. Results: The aggregate Bayesian classifier ... application of quantitative electromyographic (EMG) statistics for the characterization of EMG data detected from forearm muscles of individuals with and without pain associated with repetitive ... function in the hands of patients with non- specific arm pain (NSAP) and asymptomatic office workers. Pain 2003, 104(1-2):275-81. 13. Greening J, Dilley A, Lynn B: In vivo study of nerve movement...

Ngày tải lên: 19/06/2014, 08:20

... purposes) approximately 75% of patients. Ninety-seven percent of patients with multiple myeloma have paraprotein in the serum or urine at the time of diagnosis. However, a minority of patients with non- secretory ... A curettage with internal fixation of the left femur was performed, and the pathologic report noted lobules of mature plasma cells in the bone and soft tissue. Further assessment of the condi- tion ... revealed multiple areas of bony destruction involving T2-T4. A laminectomy of the thoracic spine with resection of the spinal tumor was done performed (3.5 months after completion of radiotherapy)....

Ngày tải lên: 09/08/2014, 04:21

... risk associated with fre- quently prescribed nonselective NSAIDs, including diclofenac, ibuprofen, and naproxen, individually. When com- paring the use of diclofenac and ibuprofen with no or remote NSAID ... support of several naproxen studies in the wake of the increased risk of AMI seen with rofecoxib in the VIGOR (VIOXX GI Outcomes Research) study [29,30]. The increased risk of AMI observed with rofecoxib ... effect of dose; one [27] reported greater risk of AMI with higher doses; and one study [24] reported a dose- dependent effect of ibuprofen but no effect with other NSAIDs. The duration of exposure...

Ngày tải lên: 09/08/2014, 08:22

... (Seoul, Republic of Korea). Synchronous liver metastasis was diagnosed dur- ing work-up, at the time of operation, or within three months after definitive treatment. A total of eighty-nine patients ... management of patients with primary operable colorectal cancer and synchronous liver metastases. The American journal of surgery 1978, 135:81-85. 5. Cady B, Monson DO, Swinton NW: Survival of patients ... patients regardless of the status of their liver metastasis. H ow- ever, the number of patients who received r esection of the primary tumor despite stage III liver metastasis is small and the role of postoperative...

Ngày tải lên: 09/08/2014, 09:20

Ngày tải lên: 09/08/2014, 09:20

Ngày tải lên: 09/08/2014, 10:20