probabilistic modeling of dynamic environments for mobile robots

Ngày tải lên: 25/01/2014, 13:20

... Association for Computational Linguistics Discriminative Modeling of Extraction Sets for Machine Translation John DeNero and Dan Klein Computer Science Division University of California, Berkeley {denero,klein}@cs.berkeley.edu Abstract We ... can define a dynamic program to search the space of extraction sets. An ITG deriva- tion for some alignment A decomposes into two sub-derivations for A L and A R . 4 The model score of A, which ... Examples of two types of possible align- ment links (striped). These types account for 96% of the possible alignment links in our data set. alignment links A = {(i, j)} to an extraction set of bispans...

Ngày tải lên: 07/03/2014, 22:20

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 05/09/2013, 09:08

Ngày tải lên: 05/09/2013, 14:58

Ngày tải lên: 05/09/2013, 15:28

... need for global optimization 3 Global Optimization for Parameter Estimation of Dynamic Systems Youdong Lin and Mark A. Stadtherr Department of Chemical and Biomolecular Engineering University of ... analysis can be used to estimate the parameters of dynamic systems ã A validated solver for parametric ODEs is used to construct bounds on the states of dynamic systems ã An efcient constraint propagation ... = Approximate CPU time adjusted for machine used based on SPEC benchmarks ∗ Does not provide rigorous guarantee of global optimality. 17 Validated Solutions for Parametric ODEs (Contd) ã Example...

Ngày tải lên: 12/01/2014, 22:03

... analysis can be used to estimate the parameters of dynamic systems ã A validated solver for parametric ODEs is used to construct bounds on the states of dynamic systems ã An efcient constraint propagation ... seconds 16 Global Optimization for Parameter Estimation of Dynamic Systems Youdong Lin and Mark A. Stadtherr Department of Chemical and Biomolecular Engineering University of Notre Dame Notre Dame, ... Construct Taylor models of the states using a new validated solver for parametric ODEs (VSPODE) (Lin and Stadtherr, 2005) – Compute the Taylor model T φ of the objective function – Perform constraint...

Ngày tải lên: 12/01/2014, 22:16

... List of Figures Figure 1-1: Category of methods for predicting syllable duration [6] 23 Figure 2-1: Example of the contours of six tones, as described in [21] 30 Figure 2-2: The shape of Tone ... goal of intonation research is to model natural f0 contours of speech, preferably in relation to a transcription and a description of the prosodic intent of the speaker. The starting point of ... corpus. I would also like to thank to a lot of MICA member who spent much of time for recording and testing for my research. I am grateful to Prof. Nguyễn Trọng Giảng and MICA’s directorate...

Ngày tải lên: 19/02/2014, 08:58

... (index o) on a curved road Movable part of gaze control platform in pan & tilt y c z c Exploded view of location of the body -fixed base of the gaze plat - form Camera coordinate system y Rb y b Own vehicle ... “time integrals” of input functions. For all these reasons, the joint use of visual and inertial signals is considered mandatory for achieving efficient autonomously mobile platforms. Similarly, ... have the capability of sensing information about the environment and of initiating motion Dynamic Vision for Perception and Control of Motion 1.5 What Type of Vision System Is Most Adequate?...

Ngày tải lên: 05/03/2014, 15:20

... perform the action , is the set of resources that are required to perform the action , is the average cost in performing , and is the average probability of successful completion of within for ... before the expiration of the . In the latter case, criticality is mitigated successfully before expires. Higher the RF for a criticality, lesser is the time (in terms of fraction of window -of- opportunity) ... under- stand the behavior of the manageability of criticalities. For sake of simplicity, we present simulation results for a system which can expect only three types of criticalities, thereby...

Ngày tải lên: 07/03/2014, 17:20

... Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 31–39, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Probabilistic ... LER performance of synchronous HVR in different noise conditions The performance of synchronous HVR is shown in Table 4. Compared to the results shown in Ta- ble 3, the WER performance of synchronous ... letter of a word. Therefore, l i represents one of the 26 letters. As pre- viously mentioned, for keyboard input, h i are dis- crete features whose values are also one of the 26 letters. Therefore,...

Ngày tải lên: 07/03/2014, 18:20

... consequence of the sharing of a constant amount of LD between an increasing number of cells. From our measurements, and in agreement with published data [16,17], we found that LD typically consists of ... point of view, they allow the cell to dispose of excess metabolites by storing them in an inert form. When demand for these metabolites is high, they are read- ily available without the need for ... and promotes the rapid initiation of growth of quiescent cells exposed to glucose-containing media. TAG mobi- lization provides DAG and ⁄ or FA for the synthesis of phospholipids; forcing the system to utilize...

Ngày tải lên: 16/03/2014, 04:20

... Learning of Dependency Structure for Language Modeling Jianfeng Gao Microsoft Research, Asia 49 Zhichun Road, Haidian District Beijing 100080 China jfgao@microsoft.com Hisami Suzuki Microsoft ... significant impact on the per- formance of DLM. The discussion includes: (1) the use of DLM as a parser, (2) the definition of the mapping function , and (3) the method of unsu- pervised dependency ... D j-1 j (|| stands for concatenation) when attached to D j-1 ; it is the de- pendency structure built on top of D j-1 and the newly predicted word w j (see the for- loop of line 2 in Figure...

Ngày tải lên: 17/03/2014, 06:20

... a value of around 14 nmcorresponding to a p b value of around 1.4ì 10 23 m 3 , see Eq. 16—and for the size of the grain-grain contact a value of around 100 nm (one fifth of the value of the grain ... for the low sensor signals of those materials in spite of their high surface reactivity and guidance on how to attempt the improvement of the sensor performance. It also explains the origin of ... nmcorresponding to a p b value of around 4ì 10 25 m 3 and the value of the size of the grain-grain contact a value of around 6 nm (a bit more than one hundredth of the value of the grain size). Figure...

Ngày tải lên: 20/03/2014, 13:04

... chains of length up to 4 in WordNet (WN 4 ). We compare our model to two types of baselines: (1) RTE published results: the average of the best runs of all systems, the best and second best per- forming ... entailing examples within the set of all examples of a given hypothesis length (|H|) and a given number of covered terms (|H c |). As |H c | we take the number of identical terms in T and H (exact ... and tagged for part -of- speech. As lexical resources we use WordNet (WN) (Fellbaum, 1998), taking as en- tailment rules synonyms, derivations, hyponyms and meronyms of the first senses of T and H...

Ngày tải lên: 30/03/2014, 21:20

... combina- tion of lexical items. An improved understanding of language processing in the brain could yield a more biologically-informed model of semantic representation of lexical knowledge. We there- fore ... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 638–646, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Quantitative modeling of the neural ... computed for each item presentation at each voxel. The mean of the four images (mean PSC) acquired within a 4s window, offset 4s from the stimulus onset (to account for the delay in hemodynamic...

Ngày tải lên: 30/03/2014, 23:20

... 747–754, Sydney, July 2006. c 2006 Association for Computational Linguistics Adding Syntax to Dynamic Programming for Aligning Comparable Texts for the Generation of Paraphrases Siwei Shen , Dragomir R. ... algorithm for incorporat- ing syntactic features in the alignment pro- cess for non-parallel texts with the goal of generating novel paraphrases of existing texts. Our method uses dynamic program- ming ... Dragomir R. Radev , Agam Patel , G ă unesá Erkan Department of Electrical Engineering and Computer Science School of Information University of Michigan Ann Arbor, MI 48109 shens, radev, agamrp, gerkan...

Ngày tải lên: 31/03/2014, 01:20

... product of functions, each of which depends only on the values of a subset of the variables X. There are dynamic programming algorithms for calculating all of these quantities, but for reasons of ... straightforward generalization of HMM dynamic programming with minimal assumptions and pro- gramming overhead. However, in principle any of the set of parses of a string y and F(y) is the set of features ... model algorithms for maximising and summing products of functions of the kind presented above. It turns out that the algorithm for maximisation is a gener- alisation of the Viterbi algorithm for HMMs,...

Ngày tải lên: 31/03/2014, 06:20

Ngày tải lên: 12/06/2014, 12:04