Studies on machine learning for data analytics in business application
... data for each domain and the remaining 1600 labeled reviews in each domain are used as training data All unlabeled data are used for latent representation learning For computational reason, only ... Recently, there is increasing research interest in the application of machine learning methods for business analytics (Abbasi and Chen 2008, Rui and Whinston 2011) an...
Ngày tải lên: 09/09/2015, 11:28
... A virtual infrastructure based on honeycomb tessellation for data dissemination in multisink mobile wireless sensor networks Ay¸eg¨l T¨ys¨z Erman∗ , Arta Dilo and Paul Havinga s u u u Pervasive ... and challenges of using mobile sinks in WSNs Next, we introduce our virtual infrastructure based on honeycomb tessellation and the protocol based on...
Ngày tải lên: 20/06/2014, 20:20
... declined due to production constraints such as lack of production inputs and lack of information on dairy and beef production and marketing and also the dairy and beef market are localized Therefore, ... the production constraints of milk and meat of the woreda and to indicate the interventions for the indicated production constraints LITERATURE REVIEW 2....
Ngày tải lên: 08/03/2014, 23:20
investigation on bayesian ying-yang learning for model selection in unsupervised learning
Ngày tải lên: 13/11/2014, 10:05
Pre formulation studies on microcrystalline cellulose for grouping and predicting their performance in extrusion spheronization
... be done before all questions can be answered 31 INTRODUCTION PRE- FORMULATION STUDIES ON MCC In the preceding sections, source variation among MCC grades and its impact on the role and performance ... grouping tool provided a basis for interchangeability between MCCs and to predict their performance in extrusion- spheronization Certainly, it also presents consi...
Ngày tải lên: 15/09/2015, 17:09
Statistical Machine Learning for High Dimensional Data
... References • Statistical Machine Learning Lafferty, Liu and Wasserman (2012) • The Elements of Statistical Learning Hastie, Tibshirani and Friedman (2009) (www-stat.stanford.edu/˜tibs/ElemStatLearn/) ... problems are high dimensional But often, the relevant information is effectively low dimensional Nonparametricity Make the weakest possible assumptions Preview: Graphs on Equi...
Ngày tải lên: 12/10/2015, 08:56
Statistical Machine Learning for High Dimensional Data Lecture 2
... 100, p = 20 0 and X , , X n ∼ N(0, Σ) 1000 Risk 120 0 1400 1600 where σjk = ρ|i−j| and ρ = 0 .2 0.0 0 .2 0.4 0.6 0.8 1.0 1 .2 1.4 Threshold 37 Example We find that Σ−S F = 420 Σ − Σt F = 20 Σ−S = ... matrices S1 , S2 Threshold S1 to get Σt,1 Repeat N times: (Σt,1,1 , S2,1 ), , (Σt,1,s , S2,s ), , (Σt,1,N , S2,N ) Let R(t) = where A F = j,k N N Σt,1,s − S2,s F s=1 A2jk = trace(AAT ... RSS...
Ngày tải lên: 12/10/2015, 08:58
Statistical Machine Learning for High Dimensional Data Lecture 3
... ● ● ● ● 14 15 ● ● 2.5 ● ● ● 16 weight ● ● 3. 0 ● ● ● ● 3. 0 ● ● 20 ● ● ● ● ● 3. 5 choline 3. 5 4.0 ● ● 20 phosphorus 2.5 3. 0 3. 5 44 Statistical Scaling for Prediction Let F be class of matrices of ... ● 2.0 ● ● ● ● 1.5 ● 1.0 1.5 2.0 2.5 ● ● ● ● 3. 5 1.0 1.5 ● ● ● ● ● ● ● ● ● ● 2.5 3. 0 3. 5 1.0 2.0 2.5 3. 0 ● ● ● ● ● ● ● ● ● ● 3. 5 1.0 1.5 2.0 2.5 3. 0 3. 5 1.0 1.5 2.0 ● ●...
Ngày tải lên: 12/10/2015, 09:00
Tài liệu Báo cáo khoa học: "Machine Learning for Coreference Resolution: From Local Classification to Global Ranking" ppt
... A Ranking Approach to Coreference ¡ As mentioned before, our approach differs from the standard approach primarily by (1) explicitly learning a ranker and (2) optimizing for clustering-level ... learning approach, outperforming them by as much as 4–7% on the three data sets for one of the performance metrics 3.1 Selecting Coreference Systems A learning- based coreference...
Ngày tải lên: 20/02/2014, 15:20
Báo cáo khoa học: "Statistical Machine Translation for Query Expansion in Answer Retrieval" pptx
... in the case of ambiguous translations Query expansion is performed by adding content words that have not been seen in the original query from the n-best translations of the query Our second query ... effects for these features in their experiments Expansion terms are taken from those terms in the n-best translations of the query that have not been seen in the origina...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo hóa học: " Research Article An Adaptive Channel Interpolator Based on Kalman Filter for LTE Uplink in High Doppler Spread Environments" docx
... timevarying channels in high speed environments The variations of channel taps are tracked jointly by Kalman filter in time domain during training symbols Since channel tap information is missing between ... channel estimation algorithm based on Kalman filter and a polynomial curve fitting interpolator whose order is selected adaptively is proposed for LTE uplink syst...
Ngày tải lên: 21/06/2014, 22:20
báo cáo khoa học: " Impact of welfare cheque issue days on a service for those intoxicated in public" pptx
... significant changes in the number of admissions on Mondays and Tuesdays in welfare weeks compared to those on other Mondays and Tuesdays, although the numbers in welfare weeks were lower (Mondays: ... the dates of welfare payments The decreased admissions right before "Welfare Wednesday" and the increased admissions starting from "Welfare Wednesday" indicate that the d...
Ngày tải lên: 11/08/2014, 18:20