pc apos s conflicted copy 2013 05 31

... Euclidean space and N × N dimensional matrix space, respectively • Bold lower case letters such as x represents vectors and the upper case letters such as A denotes matrices • The tilde sign is used ... depends on the solution x However this also implies that the minmax regret solution is less conservative as it considers both the best and worst case For illustration, consider the binary decision ... mild assumptions on the set of distributions (see the discussions in Zhu and Fukushima [125] and Natarajan et al [90]) WCVaR has been used as a risk measure in distributionally robust portfolio...

Ngày tải lên: 10/09/2015, 09:29

... k-best PS candidates for the test sentences, which are then converted into TDS representation Instead of using Charniak s parser in its original settings, we train it on a version of the corpus ... a special suffix to constituents which have circumstantial role9 This decision is based on the observation that the TDS formalism well captures the argument structure of verbs, and 10 UAS measures ... system consistently outperforms the PCFG model on this metric, as for UAS, and BAS Concerning the other metrics, as the number of k-best candidates increases, the PCFG model outperforms the TDS-reranker...

Ngày tải lên: 20/02/2014, 04:20

... the test sentences whose preferred interpretation is successfully ranked in the first N candidates Table shows the simulation resuits of close tests Table shows partial results for open tests (up ... training database, and their values are less favorable for open tests Nevertheless, in both close tests and open tests, the semantic score model shows substantial improvement over syntactic score (and ... DataBase: 900 Sentences (+) Test Set: 997 Sentences (++) Total Number of Ambiguous Trees = 75339 (+) DataBase : effective database size for rotation estimation (++) Test Set : all test sentences...

Ngày tải lên: 20/02/2014, 21:20

... organized as follows Section surveys existing studies on expert search Section and Section present the proposed probabilistic model and its implementation, respectively Section gives the empirical ... effectiveness of the voting approach and the associated data fusion techniques However, such models are conducted in a coarse-grain scope of document as discussed before In contrast, our study focuses ... Berners-Lee describes a semantic web search engine experience…” As the result, we can extract an evidence by using samesection relation, i.e.,

Ngày tải lên: 08/03/2014, 01:20

... blogs and sports news The political blogs corpus is a collection of blog posts about politics in the United States (Eisenstein and Xing, 2010), and the sports news corpus contains news summaries ... otherwise Sres is a precision-like score, and Sref is a recall-like score.6 Column evaluation is the same, but compares columns instead 4.3 Baselines Our simple baseline is an agglomerative clustering ... political blogs corpus, while we are interested in person and organization entities for the sports news corpus Mentions that appear less than five times are discarded Table summarizes statistics for both...

Ngày tải lên: 23/03/2014, 14:20

... In this task participants should find all sentences that entail a given hypothesis in a given document cluster This task s data sets reflect a natural distribution of entailments in a corpus and ... resources to increase performance, as opposed to typical smaller or less consistent improvements in prior works (see Section 1) probabilistic (aka a Bayesian network) Hence the E-step probabilities ... and resources As for the coverage model, under our configuration it poses a bigger challenge for RTE systems than perviously reported baselines It is thus proposed as an easy to implement baseline...

Ngày tải lên: 30/03/2014, 21:20

... tensions, frustration, resentment, uncertainty, confusion, conflict, discontent, insecurity, controversy, unease, bitterness, dispute, disagreement, nervousness, sadness, despair, animosity, hostility, ... also known as Qtargets (Echihabi et al., 2003) Most previous approaches classify the answer type of a question as one of a set of predefined types Many systems construct the classification rules ... this paper is organized as follows Section discusses the work related to answer typing Section discusses some of the key concepts employed by our probabilistic model, including word clusters and...

Ngày tải lên: 31/03/2014, 20:20

... The model assumes no language-specific knowledge, but does assume that the learner has access to language-universal correspondences between syntactic and semantic types, as well as a Bayesian prior ... Physics, Event Perception, Lexical Semantics, and Language Acquisition PhD thesis, Massachusetts Institute of Technology Siskind, J M (1996) A computational study of cross-situational techniques ... versions of UBL which performs a greedy search in the space of lexicons and requires initialisation with cooccurence statistics between words and logical constants to guide this search These statistics...

Ngày tải lên: 31/03/2014, 20:20

... relationship of the data as possible, for example, the Hilbert-Peano scan [9] Another approach is the so-called pseudo 2D HMM [10] which assumes that there exists a set of “super” states which ... which subsume a set of simple Markovian states Finally, the path-constrained variable state Viterbi algorithm [11] considers sequences of states on a row (or a column, a diagonal, etc.) as states ... These transformation parameters are shared by all persons as we assume that they have similar facial properties The intraclass variability, due, for instance, to different facial expressions,...

Ngày tải lên: 23/06/2014, 01:20

... restrict the list of returned sites such as “.edu” sites to search for professor homepages Another way is to add some keywords, such as “real estate, price” to original queries to “bias” the search ... search systems Two major approaches, document-based snippet and index-based snippet, were discussed in the second section Studies showed that index-based snippet is more efficient than document-based ... snippets as part of results pages presented by search engines has become an expectation of search engine users In this chapter, we investigate some previous methods to generate query-based snippet,...

Ngày tải lên: 23/11/2012, 15:04

... system possesses 52 mass streams, including plant inflows and outflows The products of CP-24 are the electricity from the gas and steam turbines, the superheated process steam, and the process ... means specific cost, Z denotes cost rate, E denotes rate of exergy transfer, subscripts F and P indicate system fuel and system product, respectively, NK is the number of system components, and ... variables, and their sizes may vary Appropriate values for the parameters in the first step are chosen, so that the size of a subgroup of decision variables is always less than n After the assembly...

Ngày tải lên: 05/09/2013, 16:30

... products, consult behavioral economists and consumer psychologists along with the potential customers to adequately visualize the possible repercussions and implications for achieving desired results ... customers about micro financing by realigning their marketing mechanisms and strategies to attract less educated masses through staff trainings and holding open sessions in these localities and ... Bolnick and Nelson (1990) observed that MFIs have an encouraging influence on small and labor intensive businesses, but it may vary across different sectors Copestake et al (2001) assessed the impact...

Ngày tải lên: 06/09/2013, 05:48

... our discussion of the CIR process, we recall that Y will stay strictly positive provided that: Assumption 2: and Y 0 = 1X1 0 + 2X20 + 1b1 + b2 ,  1 2 1+2 Y t 0;  t 1; 0; almost surely, ... t Since the pair X1; X2 of processes is Markov, this is random only through a dependence on X1t; X2t Since the coefficients in (SDE1) and (SDE2) not depend on time, the bond price depends ... 2 1+2 Y t 0;  t 1; 0; almost surely, Assumption 3: 2 + 2 : Under Assumptions 1,2, and 3, and (SDE1) and (SDE2) make sense These can be rewritten as q dX1t = a11X1 t + a12X2 t + b1...

Ngày tải lên: 18/10/2013, 02:20

... portal system should be user friendly A user-friendly system is less intimidating and likely to spur employee enthusiasm Using the system should be straightforward and not cumbersome The system should ... portals • Continuous learning • Ability to use HR portals • Training/development • Psychological success • Self-knowledge HR portals systems • User-friendly system • Reliable system Effective use ... portable skills, which refers to a set of skills that an employee possesses and that can be used in several organizations The repertoire of portable skills may increase the employee s internal...

Ngày tải lên: 24/10/2013, 08:20

... the hysteresis loop in the so-called reversible branch decreases The ‘reversible’ branch is thus not reversible at all; hard-sphere simulations of shaken spheres [61, 62, 130] confirm the firstorder, ... which is the reason that we have referred to its glassiness within quotes Why it manifests 100 Shaking a box of sand I – a simple lattice model ageing, and many other glassy phenomena, is still somewhat ... phase referred to in the earlier section: this has features of both ‘glassy’ and fluidised regimes On the one hand, younger systems find their equilibrium quickly, as in the fluidised case (χ rises...

Ngày tải lên: 01/11/2013, 08:20

... with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced ... with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced ... with permission of the copyright owner Further reproduction prohibited without permission Reproduced with permission of the copyright owner Further reproduction prohibited without permission Reproduced...

Ngày tải lên: 13/12/2013, 11:36

... results Chapter3: Results and discussions This chapter presents the results of questionnaires This chapter includes the following section: (1)The respondents overall attitudes towards kinds of ... presents and discusses the results and findings of the study, Chapter is Results and Discussions In this chapter, the recommendations on the application of brainstorming and giving a text as a ... students As discussed previously, giving a text as a model is still suitable for a number of students In order to attract all students interest it is suggested that giving a text as a model should...

Ngày tải lên: 18/12/2013, 10:08

... existence ! For each relationship on your ER diagram, ask the question “Can the child exist if the parent does not exist?” • If the answer is “Yes,” existence is optional Denote the relationship ... Model Exercise 2: Determining Cardinality and Existence In this exercise, you will use the syntax discussed in the module to identify the cardinality and existence characteristics of each of ... dashed (broken) line • If the answer is “No,” existence is mandatory Denote the relationship with a solid line Answer in v04_1609a_act42-2.bmp Next, you will present your findings to the class...

Ngày tải lên: 21/12/2013, 06:16

... diesels are started on loss of voltage at VSEN2 and any of tedslscan dlvrall pwrrequired at BDA4 S' closes instantaneously on loss of voltage at VSENI The tie breakers, SlO and 515, also close ... EVENT 20 S4 FO 198 Al FAILS S1 6 FO VSEN4L FAILS FAILS 226 Al FAILS S1 6 FO VSENIL FAILS S1 4 FO V53 M.C .S NO 291 EVENT I Sil FO EVENT S1 6 FO EVENT 28 VSI SPL EVENT 10 S9 FO EVENT 15 S8 FO MOCS NO EVENT ... University; Pittsburgh, PA 15213 USA Gary J Powers is known for his research and teaching contributions in safety and reliability analysis of chemical and petroleum processes He is a Professor...

Ngày tải lên: 03/01/2014, 19:37