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In this paper, we propose a novel kernel learning scheme for acoustic scene classification using multiple short-term observations. The method takes inspiration from the recent result of psychological research — "Humans use summary statistics to perceive auditory sequences" we endeavor to devise computational framework imitating such important auditory mechanism for acoustic scene parsing...
The reflection and transmission characteristics of coaxial-to-circular waveguide transitions are measured and investigated. Two identical transitions are directly connected so that they faced each other and evaluated using a vector network analyzer. The parameters of this transition are optimized in advance at the 5 GHz band using the method of moments. As a result, good agreement can be confirmed...
Tourism is recognized by the United Nations World Tourism Organization as the worlds' largest growth industry. Tourism in Japan has a tremendous impact on the Japanese economy, including employment and regional vitalization. The Japanese government designated Japan as a “tourism-oriented country” in 2003 and has implemented various tourism promotion measures. In the present research, we attempted...
This paper proposes a route recommendation system for sightseeing based on a network optimization problem. Sightseeing route planning is not difficult if a tourist initially sets satisfaction values of sightseeing spots numerically. However, it was hard to evaluate the satisfaction values objectively according to the tourist's feelings. The tourist can subjectively do a qualitative and pairwise comparison...
This paper proposes a framework to recommend personal sightseeing route as well as to objectively obtain the tourist's utility to sightseeing plans and sightseeing spots from subjective comparison. The subjective comparison is qualitatively performed using a scale of measurement such as Likert scale, and the mathematical programming problem including this comparison as constraints is introduced. In...
This paper proposes a route recommendation system for sightseeing based on a network optimization problem. Traveling and sightseeing times are randomly changed dependent on current traffic and congestion conditions, and hence, Time-Expanded Network (TEN) to contain a copy to the set of nodes in the underlying static network for each discrete time step is introduced. In addition, in order to select...
The reflection and transmission characteristics of a circular waveguide with coaxial-to-circular waveguide transitions are evaluated using Galerkin's method of moments. Because of the axisymmetric structure as well as the assumption of a TEM-mode incident wave, which is an axisymmetric mode, the scattered waves from the structural discontinuities can be expressed as axisymmetric modes; therefore,...
This paper estimates how the capital structure of a company influences its stock price. To raise corporate valuation, which is better for the company, using equity capital or liabilities? To answer this question, we estimated the optimal amount of liabilities in terms of tax benefit. Then we analyzed how the gap between the optimal amount and the actual amount of liabilities influences stock price.
This paper proposes a sightseeing route planning problem by electric vehicle with time-dependency of traveling times between any two sightseeing sites. In order to represent the time-dependency, Time-Expanded Network (TEN), which contains a copy to the set of nodes in the underlying static network for each discrete time step, is introduced. In addition, it is hard for the tourist to set satisfaction...
This paper proposes a sightseeing route planning problem with time-dependent traveling times among sightseeing sites. Since traveling times are dependent on the time of day, Time-Expanded Network (TEN), which contains a copy to the set of nodes in the underlying static network for each discrete time step, is introduced. In addition, it is hard to set satisfaction values at sightseeing sites numerically...
The coaxial-to-circular waveguide transition is analyzed using the Galerkin's method of moments. Because of the axisymmetric structure as well as the assumption of the TEM-mode incident wave, which is an axisymmetric mode, the scattered waves from the discontinuities in the coaxial and circular waveguides can be expressed as axisymmetric modes, and therefore, the analysis can be extremely simplified...
As the number of scenarios for utilizing sensor data from home appliances, privacy issues such as leakage of private information from sensor data are arising. In this paper, we introduce a new technology, partial decryption, which enables parts of the data to be masked while still encrypted, so other data can be substituted or the encryption key can be changed.
The development of the GPS has recently increased the demand for the beneficial services from the mobile users' location data. If the location data are collected from various organizations, more beneficial services will be provided. However, the organizations are never able to share their location data, because they must avoid their users' privacy information leakage. Therefore, we propose a new system...
This paper proposes a tour route planning problem to flexibly reschedule the initial route plan with uncertain traveling times and satisfaction values of sightseeing places dependent on sightseeing. The objective of our proposed model is to maximize the total satisfaction value in all possible conditions after visiting a sightseeing place under such time-dependent parameters. Since traveling times...
In recent years, the evolution of the cloud computing increases the demand of the services which provides profitable information analyzed from huge data from heterogeneous information sources. In order to reduce the user's anxiety to store the private and confidential information in the cloud, various Privacy Preserving Data Mining (PPDM) techniques are developed, which enable the cloud to perform...
This article considers tour route planning problems to find an optimal tour route in sightseeing. Tour routes are optimized in terms of two types of criteria. The first optimization criterion is to maximize the sum of values of places a tourist visits, namely, the sum of the values of sightseeing spots, restaurants and hotels. The second optimization criterion is to minimize the tiredness caused by...
This paper proposes a personal tour planning problem incorporating general tour routes and tourists satisfactions for sightseeing places based on some purposes of tourism. In order to construct a tour route, time-dependent satisfactions, traveling and activity duration times for sightseeing should be considered, but it is difficult to represent the time-dependent model using general static network...
In the present study, we use the concept of the straight coupon bond pricing model proposed by Tsuda (2006) to estimate a price evaluation model for investment corporation bonds: bonds issued by investment corporations for the purpose of raising funds. This model obtains credit risk information, such as default probability, from the market prices of bonds. The model simultaneously estimates implied...
The center location of the side hole (defect) in a solid material is roughly estimated using Hough transform. The measurement data recorded by a pulsed laser scanning system is used for the estimation. The incident and scattering wavefronts are characterized as the plane and conical tracks, respectively, using the stored data. The center location of the side hole is reasonably detected as the vertex...
This paper proposes a personal tour planning problem with uncertain traveling times and satisfaction values of sightseeing places dependent on sightseeing. Since traveling times are dependent on the time of day, it is difficult to represent this uncertain model using the general static network model. In this paper, Time-Expanded Network (TEN), which contains a copy to the set of nodes in the underlying...
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