a collaborative learning support system based on question posing

... (relation detection and characterization) All markables have named entity types such as FACILITY, GPE (geopolitical entity), PERSON, LOCATION, ORGANIZATION, PERSON, VEHICLE and WEAPONS, which were annotated ... pronouns fail to catch their antecedents There are a few general reasons for errors First, pronouns which have antecedents very far away cannot be caught Long-distance anaphora resolution may pose a ... presented a pronoun anaphora resolution system based on FHMMs This generative system incrementally resolves pronoun anaphora with an entity buffer carrying forward mention features The system performs...

Ngày tải lên: 20/02/2014, 04:20

... example -based dialogue systems and builds its chat capabilities on a dual search strategy over a large collection of movie dialogues Additional strategies allowing for system adaptation and learning have ... dialogue turn On the other hand, context elements contain all the additional information (explanations and descriptions) appearing in the scripts The extracted dialogues are stored into a data ... basic elements are extracted from the scripts: speakers, utterances and context The speaker and utterance elements contain information about the characters who speak and what they said at each...

Ngày tải lên: 07/03/2014, 18:20

... cancellation algorithm is crucial for practical applications To reduce the computational cost, this paper presents a novel crosstalk cancellation system based on common-acoustical pole/zero (CAPZ) ... designing a crosstalk cancellation system; however, the required large computation is always a challenge To reduce the computational cost, this paper proposes a novel crosstalk cancellation system based ... responses after crosstalk cancellation Figure 7: Impulse responses of crosstalk cancellation in the asymmetric case Conclusion This paper investigates crosstalk cancellation for authentic binaural...

Ngày tải lên: 21/06/2014, 08:20

... and Optimization, London: Springer, 2005 A Lisnianski, and G Levitin, Multi-state System Reliability: Assessment, Optimization and Applications Singapore: World Scientific, 2003 R M Barton, and ... power system obtained by the traditional system reliability theory is always conservative [5] (2) The power system is a multi-state system The multistate system theory can define the relationship ... branches are all above 5800 mAh, the system is reliable because the required capacity is reached But when we analyze the system reliability using the traditional system reliability theory, the system...

Ngày tải lên: 03/01/2014, 19:38

... 2002 “Dialog Navigator” : A Question Answering System based on Large Text Knowledge Base In Proceedings of COLING 2002, pages 460–466 Sadao Kurohashi and Makoto Nagao 1994 A syntactic analysis ... long Japanese sentences based on the detection of conjunctive structures Computational Linguistics, 20(4) A Lee, T Kawahara, and K Shikano 2001 Julius – an open source real-time large vocabulary ... knowledge base using each candidate, and makes confirmation based on significance for retrieval Confidence in recognition We define the confidence in recognition for each phrase in order to reject partial...

Ngày tải lên: 20/02/2014, 16:20

... Adaptation Component In this paper we only focus on adaptation component for learning activities with adaptive activity annotation About adaptive content generation, we presented in [5] For adaptive ... learner Adaptation Module asks domain concepts from Learning Object Database as well as asks learner’s knowledge, and learner’s learning goals to generate course structure Only is Adaptation ... of adaptation such as Learning flow based, content based, interactive problem solving support, adaptive user grouping, adaptive evaluation and changes in runtime [2] Within LD, there are at least...

Ngày tải lên: 22/03/2014, 09:20

... spatial and object -based attention, disturbed spatial perception and representation, and optic ataxia resulting from bilateral parieto-occipital lesions spatial ... information that the retrieval system is using Crossing the language barrier from a query in one language to the document collection in another language is done via concept codes as an interlingua ... tier annotation module consists of more subtiers representing an advanced annotation system that automatically identifies a number of relevant linguistic and semantic features Components for part-of-speech...

Ngày tải lên: 24/03/2014, 03:20

... impact of antenna diversity on the capacity of wireless communication systems IEEE Trans Commun 42(234), 1740–1751 (1994) 18 MA Maddah-Ali, MA Sadrabadi, AK Khandani, Broadcast in MIMO systems based ... system is obtained by Monte-Carlo simulation and is compared to that of a conventional MU-MIMO system based on SUS Numerical results show that, in the proposed system, the sum-rate can approach ... ylkim@sogang.ac.kr Email addresses: JS: jihosong@maxwell.snu.ac.kr JHL: jongholee@kongju.ac.kr SCK: sckim@maxwell.snu.ac.kr Abstract It is known that the conventional semi-orthogonal user selection based...

Ngày tải lên: 21/06/2014, 17:20

... linear relationships between observation and the state variables based on a Gaussian distribution The Extended Kalman Filter [19] adjusts the state relationships of non-linear representations ... A multimodal tempo and beat-tracking system based on audiovisual information from live guitar performances Tatsuhiko Itohara∗1 , Takuma Otsuka1 , Takeshi Mizumoto1 , Angelica Lim1 , Tetsuya ... against stationary noise, and the visual beat features are the relative hand positions from the neck of the guitar We implement a human-robot ensemble system as an application of our beat-tracking...

Ngày tải lên: 21/06/2014, 20:20

... maximum bandwidth of a Gabor filter is limited to approximately one octave, and (2) Gabor filters are not optimal, if one is seeking broad spectral information with maximal spatial localization Considering ... includes EURASIP Journal on Advances in Signal Processing (a) (b) (c) Figure 7: Some samples taken from (a) CASIA-IrisV3 database, (b) Bath database, and (c) Ubiris Version database ×104 8.5 ... Boles and Boashash [10], Daugman [5], Ma et al [7], and (b) Monro et al [15], Halligswroth et al [27] methods using Bath iris database addition, small standard deviation of our method is a proof...

Ngày tải lên: 21/06/2014, 22:20

... lection d’un es Yaghmaie and A Aliabadian, pace d’insertion decomposition and radon transform,” Interna 0,1 tional Journal of a b c d e f Electronics and communication (AEÜ), pp Fig 12 LL sub-band ... )] Qualitative evaluation of the watermark presen ce can be done by comparing the two extracted watermarks with the original one Quantitativeevaluation is performed by calculating the similarity ... uantization approach Tao and Eskicioglu propose in [12] decomposition level a non-blind produces four representations of an image: an ap multiple watermarking scheme based on the DW proximation...

Ngày tải lên: 21/11/2013, 23:58

... hazard A low value indicates that the system has succeeded in directing the evacuees along safe paths, avoiding the hazardous locations • Percentage of fatally injured evacuees This is a straightforward ... simulator for building evacuation The actors that take part in the simulation are modeled as agents Each one has its own health model and movement model that depend on the individual characteristics ... definitions for the effective length of a link We will take into account This research was undertaken as part of the ALADDIN (Autonomous Learning Agents for Decentralised Data and Information Networks)...

Ngày tải lên: 07/12/2013, 11:41

... multicriteria value analysis and decision conferencing: A case study International Transactions in Operational Research, 13(4), 279-297 Bana e Costa, C .A. , Lourenço, J.C., Soares, J.O., 2007 An interval ... The MCDA and PDA components and basic input data PROBE is a multicriteria decision support system for portfolio robustness evaluation that integrates two main architectural components: a multicriteria ... Decision Analysis with Spreadsheets Duxbury Press, Belmont, CA Kleinmuntz, C.E., Kleinmuntz, D.N., 1999 A strategic approach to allocating capital in healthcare organizations Healthcare Financial...

Ngày tải lên: 07/12/2013, 11:41

... couleur additif : vers la selection d’un espace d’insertion optimal,” Coresa03, 2003 S Rastegar, F Namazi, K Yaghmaie and A Aliabadian, “Hybrid watermarking algorithm based on singular value decomposition ... 10 Qualitative evaluation of the watermark presence can be done by comparing the two extracted watermarks with the original one Quantitative evaluation is performed by calculating the similarity ... four extracted watermarks are, afterwards, compared to the original watermark to check the watermark presence in the attacked image For objective examination, they calculate the similarity ratio...

Ngày tải lên: 30/12/2013, 16:22

... a0 a1 a2 0 0 I2 b0 3a1 a2 3a3 a5 a6 Current I3 I4 a0 c0 a1 a1 a2 a2 0 a3 0 a6 0 I5 d0 4a1 0 2a3 a5 0 R EFERENCES I6 e0 2a2 a3 a6 Encoding M (ps ) Failure V C ONCLUSION This paper describes a modeling ... upstream places and add them to downstream places In short, a transition tk has concession if and only if (i) each input place contains a number of tokens greater or equal than a given threshold, and ... regards the conditioning of internal transitions Note the station bar contains only the electrical state That because we decided to not consider the bus breaking control and commands the associated...

Ngày tải lên: 03/01/2014, 19:35

... SMT Language model and paraphrase table Paraphrase generation tools based on SMT methods need a language model and a paraphrase table Both are computed on a training corpus The language models ... because a statistical paraphrase table, an analogical solver and a paraphrase memory for instance; there is no constraint on the scoring function because it only scores final states Note that ... We propose a variation of the UCT algorithm for paraphrase generation named MCPG for MonteCarlo based Paraphrase Generation The main part of the algorithm is the sampling step An episode of...

Ngày tải lên: 17/03/2014, 02:20

... performance overall Note that the parameter values in HPYCV are still not the optimal ones since they are obtained by cross-validation using IKN, an approximation to a hierarchical Pitman-Yor language ... in natural languages, and it has been argued that as a result they are more suited to applications in natural language processing (Goldwater et al., 2006) We show experimentally that our hierarchical ... note that such a direct generalization leads us to a good language model Both the hierarchical Dirichlet process and the hierarchical Pitman-Yor process are examples of Bayesian nonparametric...

Ngày tải lên: 17/03/2014, 04:20

... sentence is a potential garden path in a psych~ logically plausible way The semantic knowledge plays a fundamental role in choosing a particular analysis Milne argues that a one-word lookahead, with ... sentences is motivated by the intended application of the parser In fact it is included in a larger system, which allows the user to interact in natural lan guage with a relational data base (Siklossy, ... in Natural Language Understanding Systems AJCL (1981), 99-108 Lesmo L., Magnani D., Torasso P.: A Deterministic Analyzer for the Interpretation of Natural Lan guage Commands Proc.7th IJCAI, Vancouver...

Ngày tải lên: 18/03/2014, 02:20

... nanoparticles as the seeds Then, those particles aggregated along one direction and formed the ZnO nanorods 3.2 Structural and compositional characterization Fig shows the X-ray diffraction patterns ... low-temperature oxidation of ammonia on Fe2 O3 , Kinet Catal 40 (1999) 526–531 [27] O.N Sil’chenkova, V.N Korchak, V .A Matyshak, The mechanism of low-temperature ammonia oxidation on metal oxides according ... Jiang, Preparation and gas sensing properties of Y3+ , La3+ , Ce4+ -doped ZnO, Chin Rare Earths 24 (6) (2003) 44–47 [18] M Miyayama, K Hikita, G Uozumi, H Yanagida, A. C impedance analysis of gas-sensing...

Ngày tải lên: 19/03/2014, 16:47

... Selected-area electron diffraction patterns recorded on mesoporous WO3 that is characteristic of diffuse electron diffraction rings demonstrate that the walls of our material are made up of nanocrystallite ... rhodium–alumina catalyst, J Catal 43 (1976) 131–142 225 at National Cheng Kung University, Tainan, Taiwan His major research has related to mesoporous materials, and battery materials Jiann Shieh received ... indicating that this crystallographic nucleation actually occurs during the calcination, but is limited to formation of nanocrystallite domains The diffraction peaks of the WO3 thin films are assigned...

Ngày tải lên: 20/03/2014, 13:07