chapter 15 ajax data xml or json
statistical pattern recognition 3rd edition
Ngày tải lên :
28/04/2014, 17:03
... Decision Theory 1.5.1 Bayes’ Decision Rule for Minimum Error 1.5.2 Bayes’ Decision Rule for Minimum Error – Reject Option 1.5.3 Bayes’ Decision Rule for Minimum Risk 1.5.4 Bayes’ Decision Rule for Minimum ... on the data in a way that, usually, reduces its dimension (reduces the number of features), removing redundant or irrelevant information, and transforms it to a form more appropriate for subsequent ... Chichester, West Sussex, PO19 8SQ, United Kingdom For details of our global editorial offices, for customer services and for information about how to apply for permission to reuse the copyright material...
- 668
- 2.9K
- 0
Báo cáo hóa học: " Optimal STBC Precoding with Channel Covariance Feedback for Minimum Error Probability" pot
Ngày tải lên :
23/06/2014, 01:20
... transmit correlation matrices according to their eigenvalues For both approaches, beamforming is shown to be optimal for low SNR or high correlation, while full diversity is best for high SNR ... 1258 Data EURASIP Journal on Applied Signal Processing Modulator STBC encoder Linear M transformation antennae N antennae STBC decoder Demodulator Data Correlation CSI and correlation ... see that for very low SNR, the optimal transformation is equivalent to beamforming, as expected For the other SNR regions, the performance of the optimal scheme is better than both beamforming and...
- 9
- 303
- 0
Báo cáo y học: "A diagnosis-based clinical decision rule for spinal pain part 2: review of the literature" pps
Ngày tải lên :
13/08/2014, 14:20
... be abnormal for the variable to be abnormal, and; Method 3: requiring all test results to be abnormal for the variable to be abnormal Kappa scores were 0.47, 0.08, and 0.32 using Method for the ... 75% or more with facet joint blocks: age over 65, pain not exacerbated by coughing, pain not worsened by hyperextension, pain not worsened by forward flexion, pain not worsened by rising from forward ... level of suspicion for the presence of pathological disorders for which spinal pain may be the first or only symptom Some examples are gastrointestinal or genitourinary disorders, fracture, infection...
- 17
- 379
- 0
Báo cáo khoa học: "Efficient Minimum Error Rate Training and Minimum Bayes-Risk Decoding for Translation Hypergraphs and Lattices" pptx
Ngày tải lên :
23/03/2014, 16:21
... p(e|G) > Score(w, T (e)) then Update posterior probs and scores: p(w|G) += p(e|G) − Score(w, T (e)) Score(w, he ) = p(e|G) else Score(w, he ) = Score(w, T (e)) end if end for end for Assign scores ... − Score(w, T (e)) Score(w, he ) = p(e|G) else Score(w, he ) = Score(w, T (e)) end if end for end for Assign scores to hyperedges (Equation 3) Find best path in the hypergraph (Equation 3) Dataset ... onto their corresponding error counts, thus yielding the exact and unsmoothed error surface for all candidate translations encoded in C The error surface can now easily be traversed in order to...
- 9
- 356
- 0
Báo cáo khoa học: "Minimum Bayes Risk Decoding for BLEU" pptx
Ngày tải lên :
08/03/2014, 03:20
... decision rule is optimal for the sentence or string error rate It is not necessarily optimal for other evaluation metrics as for example the BLEU score One reason for the popularity of the MAP ... similar forums The corpus statistics of the training corpora are shown in Tab to Tab To measure the translation quality, we use the BLEU score With exception of the TC-STAR EPPS task, all scores ... the BLEU score is between 0.2% for the TC-STAR task and 1.1% for the GALE Chinese-English task Note, that MBR decoding is never worse than MAP decoding, and is therefore promising for SMT It is...
- 4
- 172
- 0
Báo cáo khoa học: "Efficient Path Counting Transducers for Minimum Bayes-Risk Decoding of Statistical Machine Translation Lattices" pptx
Ngày tải lên :
23/03/2014, 16:20
... are used at all orders (i.e k = 0), the hybrid decoder BLEU scores are considerably lower than even the ML scores This poor performance is because there are many unigrams u for which c(u|E) is ... path posterior probabilities p(u|E) for all u ∈ Nn In Figures and we give two possible forms2 of Ψn that can be used to compute path posterior probabilities over n-grams u1,2 ∈ Nn for some n No ... fast even for large lattices and is memory efficient En itself may have more states than E due to the association of distinct n-gram histories with states However, the counting transducer for unigrams...
- 6
- 281
- 0
Báo cáo khoa học: "Beyond Log-Linear Models: Boosted Minimum Error Rate Training for N-best Re-ranking" docx
Ngày tải lên :
23/03/2014, 17:20
... train MERT or to compute BLEU scores for each hypothesis or oracle Algorithm BoostedMERT Input: N-best lists {xi }, BLEU scores {bi } Input: Initialize sample distribution di uniformly Input: ... BoostedMERT improves over MERT, more work at both the theoretical and algorithmic levels is needed to demonstrate even larger gains For example, while standard boosting for classification can exponentially ... di The sample weight for an N-best list is increased if the currently selected hypothesis is far from the oracle score, and decreased otherwise Here, the oracle hypothesis for each N-best list...
- 4
- 239
- 0
Some suggestions for correcting errors made by english non major first year students at HPU of pronouncing ending sounds
Ngày tải lên :
17/12/2013, 20:37
... from information and related data for analysis The findings of students’ errors will be classified and presented in form of charts and tables 20 3.1.5 Data analysis procedure Firstly, data was ... is analyzing according to tapes recorded and observation This way was just supported for the first to find out the ending sounds errors However, the author decided to analyze according to the three ... errors: Errors with insertion, Errors with substitution and Errors with omission The next chapter will introduce some suggested techniques and tips for students to correct ending sounds errors...
- 71
- 897
- 1
Tài liệu Báo cáo khoa học: "A Method for Correcting Errors in Speech Recognition Using the Statistical Features of Character Co-occurrence" pptx
Ngày tải lên :
20/02/2014, 18:20
... the corresponding actual utterances, then they are stored in a database (referred to as an Error-Pattern-Database) In EPC, the correction is made by substituting a Correct-Part for an Error-Part ... Because a long Error-Part is more accurate for matching, this step selects an ErrorPattern whose Error-Part is as long as possible For two arbitrary candidates, when one of their Error-Parts includes ... suitable for an Error-Pattern Therefore in this step, an Error-Pattem with its Error-Part as short as possible is selected For two arbitrary candidates, when one of their Error-Parts includes...
- 5
- 588
- 0
Who Pays for Medical Errors? An Analysis of Adverse Event Costs, the Medical Liability System, and Incentives for Patient Safety Improvement ppt
Ngày tải lên :
07/03/2014, 17:20
... the tort system B Data We rereviewed data on hospital adverse events in Utah and Colorado extracted from malpractice claims and medical records files in a previous 840 Mello et al study In the original ... requested information or declined to provide it, and three were only able to provide the premium from a more recent year For the latter, we deflated the premium to 1992 dollars For the former, we ... procedure Incorrect/delayed diagnosis Incorrect/delayed therapy Postpartum/neonatal Anesthesia Other Disability Rating Emotional only Insignificant Minor temporary Volume (# admissions) Major temporary...
- 26
- 634
- 0
Prostate Cancer Screening : A Decision Guide for African Americans doc
Ngày tải lên :
15/03/2014, 01:20
... rectum This allows the doctor to feel the back portion of the prostate for size and any irregular or abnormally firm areas “I like getting more information so I can ask my doctor questions.” What is ... of screening with your doctor and the people important in your life For more information on prostate cancer testing, treatments, and studies, talk with a cancer information specialist at 1-800-4-CANCER ... suggest the need for further tests What is the DRE? The DRE or digital (finger) rectal examination is a quick exam for checking the health of the prostate For this test, the doctor inserts a gloved...
- 20
- 354
- 0
Báo cáo khoa học: "Using Derivation Trees for Treebank Error Detection" potx
Ngày tải lên :
17/03/2014, 00:20
... truly appropriate for comparing nuclei The reason is that etrees might encode more information than is relevant for many comparisons of nuclei For example, a verb might appear in a corpus with different ... errors identified in Green and Manning (2010) as “gold” errors One factor is that a system might report a variation nucleus, but still not report all the relevant instances of that nucleus For ... or differences in constituent bracketing depending on whether a constituent is a “single-word” or not We are focusing on accounting for these issues in current work to allow such automatic correction...
- 6
- 292
- 0
Báo cáo khoa học: "DECISION LISTS FOR LEXICAL AMBIGUITY RESOLUTION" pdf
Ngày tải lên :
17/03/2014, 09:20
... taggers or parsers typically Evaluation is based on the corpora described in the algorithm's Step In all experiments, 4/5 of the data was used for training and the remaining 1/5 held out for testing ... warrant a smaller window (k ~ or 4) The training corpora used in this experiment were the Spanish AP Newswire (1991-1993, 49 million words), SBaseline accuracy for this data (using the most common ... lists were trained solely on raw word associations without additional patterns based on part of speech, morphological analysis or word class Hence the reported performance is representative of what...
- 8
- 252
- 0
Báo cáo khoa học: "Automatic Story Segmentation using a Bayesian Decision Framework for Statistical Models of Lexical Chain Features" pdf
Ngày tải lên :
23/03/2014, 17:20
... Fitted uniform dist for lexical chain starts Fitted uniform dist for lexical chain ends F1- measure x 0.04 boundaries, the uniform distribution for lexical chain start / end at non-story boundary, ... labeled in the TDT-2 corpus and classifies them either as a story boundary or non-boundary We form lexical chains from the TDT-2 ASR outputs by linking repeated words Since words may also repeat ... chains, we devise a statistical framework for story segmentation by modeling the distribution of these lexical chain features near the story boundaries (2) for which the decision threshold is θ...
- 4
- 402
- 1
Báo cáo khoa học: "A Feedback-Augmented Method for Detecting Errors in the Writing of Learners of English" docx
Ngày tải lên :
23/03/2014, 18:20
... the feedback corpus is normally far smaller than that of general corpora, so is the effect of the This means that feedback corpus on the feedback corpus hardly has effect on the performance Instead, ... contains further useful information For example, we can obtain training data consisting of instances of errors by comparing the feedback corpus with its original corpus Also, comparing it with ... template can be obtained from the training data All we need to is to collect words in from the training data Here, the words in Table are excluded Also, function words (except prepositions), cardinal...
- 8
- 502
- 0
Báo cáo khoa học: "Optimizing Grammars for Minimum Dependency Length" pptx
Ngày tải lên :
23/03/2014, 18:20
... When the order of words’ dependents was compared to the real word order on held-out data, we find that 64.9% of words Training Sents 100 500 1000 5000 10000 50000 Dep len / % correct order 13.70 ... word order, we extracted weights for the Wall Street Journal corpus, used them to reorder the same set of sentences, and tested how often words with at least one dependent were assigned the correct ... extract unordered dependency graphs from English and consider different algorithms, which we call Dependency Linearization Algorithms (DLAs), for ordering the words; our goal is to find the algorithm...
- 8
- 215
- 0
Báo cáo khoa học: "Minimum Error Rate Training in Statistical Machine Translation" potx
Ngày tải lên :
23/03/2014, 19:20
... such methods are word error rate, position-independent word error rate (Tillmann et al., 1997), generation string accuracy (Bangalore et al., 2000), multi-reference word error rate (Nießen et ... easy to handle: Optimization Algorithm for Unsmoothed Error Count A standard algorithm for the optimization of the unsmoothed error count (Eq 5) is Powells algorithm combined with a grid-based ... error rate (mPER): This criterion ignores the word order by treating a sentence as a bag-of-words and computing the minimum number of substitutions, insertions, deletions needed to transform...
- 8
- 296
- 0
Báo cáo khoa học: "Compensating for Annotation Errors in Training a Relation Extractor" potx
Ngày tải lên :
24/03/2014, 03:20
... purified data set 𝐷 𝑝𝑢𝑟𝑒 We can use 𝐷 𝑝𝑢𝑟𝑒 for the normal and fp2 is different Moreover, algorithms trained on them show similar performance training process of a supervised relation extraction algorithm ... annotators rarely duplicate a relation link for coreferential Conclusion Acknowledgments Supported by the Intelligence Advanced Research Projects Activity (IARPA) via Air Force Research Laboratory ... defines major relation types and more than 20 subtypes Following previous work, we ignore sub-types in this paper and only evaluate on types when reporting relation classification performance Types...
- 10
- 317
- 0
decision analysis for management judgment
Ngày tải lên :
01/06/2014, 00:43
... '0' and c.categories_id = cd.categories_id and cd.language_id='" (int)$languages_id "' order by sort_order, cd.categories_name"); We want to create a category box for each top category; this section ... subcategories only in your categories box • Create separate boxes for each top category • Simplify category box navigation by defining specific colors for each level • Add extra links to your category ... '0' and c.categories_id = cd.categories_id and cd.language_id='" (int) $languages_id "' order by sort_order, cd.categories_name"); while ($categories = tep_db_fetch_array($categories_query))...
- 395
- 693
- 0
Báo cáo toán học: " Decision making for cognitive radio equipment: analysis of the first 10 years of exploration" potx
Ngày tải lên :
20/06/2014, 20:20
... through experience or education; the theoretical or practical understanding of a subject, (ii) what is known in a particular field or in total; facts and information or (iii) awareness or familiarity ... assignment for cellular networks.g Genetic algorithms [14,34,61], Swarm Algorithms [64, 65] and insect colony inspired algorithms [66]h techniques are usually referred to as bio-inspired or evolutionary ... context of sensing errors is clearly formalized and the impact of such errors on the considered learning algorithm’s performance is quantified 5.1 An example of learning approach Opportunistic spectrum...
- 41
- 495
- 0