viterbi training for pcfgs

... even ap-proximating Viterbi training for PCFGs is NP-hard We motivate the use of uniform-at-random initialization for Viterbi EM as an optimal initializer in absence of further information about ... §2 gives background on PCFGs and introduces some notation §3 explains Viterbi training, the declar-ative form of Viterbi EM §4 describes a hardness result for Viterbi training §5 extends this ... properties of Viterbi train-ing for probabilistic context-free grammars We showed that Viterbi training is NP-hard and, in fact, NP-hard to approximate We gave motivation for uniform-at-random

Ngày tải lên: 17/03/2014, 00:20

... algorithms for Viterbi training and stochastic EM training In addition to introducing the two new algorithms for Viterbi training and stochastic EM training, we also examine their practical merits for ... Baum-Welch training [21,22], Viterbi training is an iterative training procedure Unlike Baum-Welch training, however, which considers all state paths for a given training sequence in each iteration, Viterbi ... algorithm for stochastic EM training One alternative to Viterbi training is Baum-Welch training [21], which is an expectation maximization (EM) algorithm [22] As Viterbi training, Baum-Welch training

Ngày tải lên: 12/08/2014, 17:20

... algorithm for Viterbi training Of the HMM-based methods that provide automatic algorithms for parameter training, Viterbi training [13] is the most popular This is primarily due to the fact that Viterbi ... transitions in the Viterbi paths Π* for the set of training sequences  Because the new parameters are completely determined by the Viterbi paths, Viterbi training converges as soon as the Viterbi paths ... of considering only a single Viterbi state path for a given training sequence as in Viterbi training or all state paths as in Baum-Welch training, stochastic EM training considers a fixed-number

Ngày tải lên: 02/11/2022, 09:28

... again for logic/programming will not turn on problem. Output is forced off in Check processor FORCE I/O or FORCE LED program and remove forces. Use the force function to force output on If this forces ... then check again for logic/programming will not turn off problem. Output is forced on in Check processor FORCE I/O or FORCE LED Use the force function to force output off If this forces the output ... program Use the force function to force output off If indicates that the this does not force the output off, output On/Energized output circuit is off circuit is damaged If the output does force or

Ngày tải lên: 12/12/2013, 08:32

... playing conditions and for specialized physicalp re p a r a t i o n … c o rrect bag set up 1 Forw a rd run over bags 2 Forw a rd run/chop over bags 3 Forw a rd zig-zag around bags 4 Forw a rd shuffle ... (left forw a rd ) 4 Step-in chest pass (right forw a rd ) 5 Step-in chest pass (left forw a rd ) 6 O v e rhead pass 7 Walking overhead pass (right forw a rd ) 8 Walking overhead pass (left forw ... athlete’s elixir for s u c c e s s S a d l y, most training programs don’t understand the functional needs of the m o d e rn football player The level of confusion and misinformation abouttraining is

Ngày tải lên: 24/03/2014, 02:21

... anyone else for any inaccuracy, error or omission, regardless of cause, in the work or for any damages resulting therefrom McGraw-Hill has no responsibility for the content of any information accessed ... athlete using it What works for one person might not work exactly the same way for another, so feel free to experiment to fi nd out what works best for you Choose a direction of training that will most ... ciently as possible for any of the ballistic movements to be performed correctly The deadlift is the simplest example of this It forces you into the body position that you will use for all of the

Ngày tải lên: 31/03/2014, 16:20

... in the late catch trials For each subject we displayed the error in early force trials versus the error in late catch trials The results, for each subject and for each training mode, are shown ... EE training, four subjects started with ER training The two treatment periods were separated by a 2-weeks rest period Figure 1 (bottom) summarizes the study design Note that the forces used for ... scale [38], the Ataxia Figure 1 Training protocol and study design Top: Phases of the training protocol: Baseline 1 (B1), Robot Training, Baseline 2 (B2), Subject Training, Wash-out The phases

Ngày tải lên: 19/06/2014, 08:20

... training for locomotor recovery post-stroke Kelly P Westlake1 and Carolynn Patten*2,3 Address: 1 Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, ... treadmill training (BWSTT) combined with the Lokomat robotic gait orthosis versus manually-assisted BWSTT for locomotor training post-stroke, and 2) assess effects of fast versus slow treadmill training ... automated vs manually-assisted treadmill training Thus, we were able to show that subjects benefited from training with the Lokomat for a number of performance metrics One product of our pilot

Ngày tải lên: 19/06/2014, 08:20

... occurs sooner when the fading becomes more rapid For example, forα = 0.80, the training period pre-dicted by (45) is correct for SNRs as small as 0 dB (for ei-ther the (1, 0) or (∞, 0) estimators ... Energy optimization reduces the need for sophis-ticated estimators in the GM model 4 OPTIMAL TRAINING FOR JAKES MODEL In this section we study optimized training for the Jakes channel correlation ... is the basis for the subsequent analysis. 3 OPTIMAL TRAINING FOR THE GAUSS-MARKOV MODEL In this section we determine optimal PSAM parameters un-der energy and bandwidth constraints for the Gauss-Markov

Ngày tải lên: 22/06/2014, 23:20

... Decoding performance evaluation Soft/hard decision quantization Channel model FEC encoder Message generator Figure 6: The block diagram of hardware testbench Uncoded Viterbi7 Viterbi8 Viterbi9 Viterbi10 ... scrambling 1 Address scrambling 2 Table 6: The allowed cycles for ACS for address scrambling 1 Table 7: The allowed cycles for ACS for address scrambling 2 metrics of state 02, 22, 12, 32, 03, ... found for traceback operation, while in a fixed-state solution the survivor path of any state, usu-ally state 0, is used for tracing back An in-depth discussion of decoding performance for best-state

Ngày tải lên: 23/06/2014, 01:20

... problem for the collaborators) Training for communicators: Communicators learn some theory in the commune but as part of the training, practice their skills at real households Therefore, after ... previous training - Some motivators impression - Organizing board’s impression - Closing the training course for communicators PREPARATION: 1 IN COMMUNE: - Trainees - Training place: enough space for ... can still be used in the training to provide examples of other solutions All the training materials, checklists and Communicator guidebooks must be ready in time for the training At the beginning

Ngày tải lên: 07/07/2014, 14:20

... the training session Planning and problem-solving training The training intervention with Plan-a-Day is based on a training concept originally developed by Kohler et al [50] It focuses on training ... has not been performed for cognitive reme-diation in a rehabilitation setting All patients received training parallel to a three-week inpatient work therapy, which was similar for all patients ... and problem solving training group Note that this effect remains sig-nificant at a Bonferroni-corrected threshold adjusting for the five test runs for the different outcomes For Planungstest“solution

Ngày tải lên: 11/08/2014, 15:22

... schools received training and those at another 7 were wait-listed for future training The effects of the training on teachers were evaluated using questionnaires pre- and post-training and at ... 2 was for teachers who had a particular responsibility for student welfare It provided information about first aid approaches for crises that require a more comprehensive response and information ... outcome measure for the trial was teacher knowledge For students, the hypotheses tested were that the mental health first aid training of their teachers would lead to an increase in the information

Ngày tải lên: 11/08/2014, 16:22

... Shelter Training August 26, 2005 17 Evacuation & Shelter Training Natural Disaster Safety:... secured area until notified August 26, 2005 20 Evacuation & Shelter Training ... used for sheltering... person that can’t safely evacuate by the stairway • Be observant for the “not-so-obvious” special needs personnel August 26, 2005 13 Evacuation & Shelter Training ... Shelter Training ORS Link: http://ser.ors.od.nih.gov/emergency_prep.htm... abreast • Ensure that stairwell door is closed after all personnel have entered • Stairwells can be used for sheltering

Ngày tải lên: 30/09/2014, 22:20

... educational reform - Constructing five measures for training organisational skills of extra-time educational activity for students in Colleges of Education including: Constructing contents for training ... Hypothesis Training extra-time educational activity organisational skills for student plays an important role in the process of students’ pedagogical training in Colleges of Education The training ... meet the current requirements for training secondary school teachers, the deployment process of training organisational skills of extra-time educational activity for student still have many problems

Ngày tải lên: 06/11/2014, 01:01

... levels) 4 Skim the text for main ideas (quickly running one‟s eyes across whole text for its gist) for prediction; 5 Scan the text for specific information (quickly searching for some particular ... analyze vocabulary (look for prefixes, look for suffixes, look for roots that are familiar, look for grammatical contexts that may signal information, look at semantic context for clues) 9 Distinguish ... they become Therefore, it is crucial for them to read English effectively However, English reading is often said to be difficult in spite of students‟ effort The requirement for teachers is to

Ngày tải lên: 02/03/2015, 14:22

... 17training process Rationale for the choice of this design and research tools is presented in the Methodology chapter 6 Importance of the study First and foremost, with the pronunciation training ... study is not to find the perfect definition for the notion but seek for the most suitable one in the context of the study It is, therefore, sensible for the study to choose eight points established ... pronunciation performance? 3 What are students’ perceptions of the effectiveness and usefulness of the training? 4 Scope of the study The study was conducted with the pronunciation training program

Ngày tải lên: 31/03/2015, 14:48

... pronunciation training enhance students’ pronunciation performance? 3 What are students’ perceptions of the effectiveness and usefulness of the training? c Importance of the study First and foremost, ... pronunciation Therefore, there might be confusion of students in selecting the correct pronunciation for a letter Some special features of the English spelling and sound systems should be informed to ... students The analysis of collected data proved that after the training program, students gained certain improvement in their pronunciation performance The number of errors in pronouncing vowels decreased;

Ngày tải lên: 04/08/2015, 09:42

... way of training management (TM) For the above reasons, the authors selected topic “Management competency based training for construction engineering occupations in construction colleges” for the ... Competency Based Training * Philosophy of CBT: Philosophy of CBT is the training process based on the specified criteria for a profession and training that standard that is not based on the training ... problems for learners The assessment of learning outcomes of learners based on performance criteria, they are determined primarily from professional standards * Conditions for CBT: Precondition for training

Ngày tải lên: 24/08/2015, 04:42

... educational reform - Constructing five measures for training organisational skills of extra-time educational activity for students in Colleges of Education including: Constructing contents for training ... Hypothesis Training extra-time educational activity organisational skills for student plays an important role in the process of students’ pedagogical training in Colleges of Education The training ... meet the current requirements for training secondary school teachers, the deployment process of training organisational skills of extra-time educational activity for student still have many problems

Ngày tải lên: 24/08/2015, 04:46