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The domain knowledge has a direct impact on the result of question - answering (Q & A) in the restricted domain question answering system (QA). In this paper, a method of answer extraction for domain Chinese question-and-answer (Q&A) is proposed, which based on the analysis of interrogative sentence and the answer type, carrying on the text retrieval with the help of the domain knowledge and...
The Walsh spectrum of m-resilient Boolean function at any point is divisible by 2m+2. This property is proved by two new methods in this work, which differ from the known method presented by Maitra. The first method is to compute the Walsh spectrum of resilient Boolean function, which is straightforward compared to the Maitra's method. The second method is to induce the number of variables and the...
In this paper, we aim to capture dependency among high correlated attributes in a sliding window of data streams at any time. Naive solutions cannot address combinatorial explosion problems. In order to generate highly correlated sets, we propose a candidate-generation rule based on Jaccard distance, and a generation method based on min-hashing functions to estimate the Jaccard distance without requiring...
SNR estimation of LFM signal detection is often applied in radar, mobile communications, Radiolocation and seismic exploration with vibrator. The common method of LFM signal detection is correlation, which can not only be used to explain time delay in Multipath Propagation, but also to estimate SNR in detection of output signal. The records of signal plus noise before the signal detection are called...
This paper proposes a new type of regularization in the context of multi-class support vector machine for simultaneous classification and gene selection. By combining the huberized hinge loss function and the elastic net penalty, the proposed support vector machine can do automatic gene selection and further encourage a grouping effect in the process of building classifiers, thus leading a sparse...
It is the trend that business to business (B2B) has been becoming the mainstream of e-commerce. With more and more concentration on this field, however, recent research has not defined what the B2B Web site user satisfaction is and how to evaluate it clearly. Also, traditional scales, such as user information satisfaction (UIS), end-user computer satisfaction (EUCS) and customer information satisfaction...
The theory of families of odd-periodic perfect complementary sequence pairs(OPCSPF) is given. OPCSPF can be derived from the odd-perfect almost binary sequence and sequence pairs. Some characteristics of OPCSPF are discussed. The Fourier spectrum characteristics of OPCSPF are studied, and the necessary conditions for existence of OPCSPF are given. The method for constructing an OPCSPF ii given and...
A solution to evaluate network workload by data fusion is put forward, which can be for surveillance the traffic of interconnected communications network in order to keep the network working well by identifying potentially serious problems in the early stages and evaluating network performance. Through fusing the historic network traffic data and network online traffic data, which is based on least...
A novel method of watermarking in image spatial domains is proposed in this paper. The level transformation previously proposed for embedding watermark bits into each pixel of a source image is used adaptively with estimating the resulting subjective image quality. Thus, a desired subjective quality can be achieved on the watermarked image. First, the measurements of image quality by subjective evaluations...
A gamma-distributed texture in coherent imagery is widely applied on some fields such as description of texture characteristic and verification of classification algorithm. In this paper, a method based on spherically invariant random process for texture modeling in SAR imagery has been proposed, and the feasibility of modeling for gamma-distributed texture with SIRP is testified, the representation...
Previously, we showed that DNA replacement of the seed-containing region of class I siRNAs significantly reduced the off-target effect without substantial loss of target gene silencing activity (Ui-Tei et al, Nucleic Acids Res., 36, 2136-2151, 2008). Separately, we also showed that the level of the off-target effect due to non-modified class I siRNA is determined primarily by the calculated melting...
This paper proposes a new method for the probabilistic load flow calculation. In this paper, a hybrid method of deterministic annealing expectation maximization (DAEM) algorithm, Markov chain Monte Carlo (MCMC) and the AC load flow is presented to evaluate the effect of uncertainties of input variables on the output ones. DAEM is effective for estimating the maximum likelihood estimate (MLE) of probability...
A novel algorithm for Signal-power-to-Noise-power ratio (SNR) estimation in AWGN channel is proposed in this paper. The relationship between SNR and the distribution of instantaneous phase (DIP) of BPSK signal is investigated, and the SNR estimator is constructed according to this relationship. Correlation coefficients are used to judge the similarity of the DIP between the theoretical one and the...
This paper presents a method using motor vibration signal spectrums and applying the extension method for discriminating different types of motor rotor malfunctions. Firstly, this paper establishes an extension model for motor rotor malfunction types and spectrum characteristics based on the test data of motor rotor malfunctions, employing it as a basis for extension theory and using extension engineering...
This paper presents a new online health diagnosis method of the mine hoister based on the multi-sensor information fusion and fuzzy sets. A calculating method of the mass function for this system based on the fuzzy set was given. The correlation coefficients are replaced by the membership function using the fuzzy theory. The mass functions are obtained according to the object types. This method is...
Grain-v1 is an 80-bit hardware oriented stream ciphers that has been selected for the final portfolio of eSTREAM project. It has been proved experimentally that an algebraic attack can be devised against Grain-v1 which can recover almost half of its 160 internal state bits within limited resources. This attack is possible because of the algebraic structure of the equations relating the internal state...
To identify the best alternative in multicriteria decision-making problems, a multicriteria fuzzy decision-making method based on the weighted correlation coefficient of interval-valued intuitionistic fuzzy sets (IVIFSs) is established in which criterion values for alternatives are IVIFSs and the criterion weights are known information. With the definition of ideal and anti-ideal weighted correlation...
We present an overview of techniques recently elaborated to accurately represent channel state information when it is affected by large uncertainty (??soft?? channel information). In that context, point estimates of the channel states are replaced by probability densities optimally representing the knowledge about the channel state. Methods based on entropy maximization were used to derive several...
Based on the interleaving technique, a general design of orthogonal sequences with alternate periodic correlation values equal to zero is proposed. The proposed sequence set can be divided into two groups. In addition to traditional orthogonal properties, the periodic auto-correlation functions (ACFs) and intra-group cross-correlation functions (CCFs) of the designed sequences take zero at any odd...
The traditional syntactic service matchmaking is lack of semantic information with machine understandable, so it can not achieve intelligent service discovery. In this paper, the fuzzy nature of matchmaking is considered, and the conceptions of linguistic variables in fuzzy logics are introduced into service matchmaker. The matchmaking linguistic variables and the fuzzy relationship matrix are defined,...
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