Abstract: An optimization device includes: a memory; and a processor and configured to: store a coefficient indicating magnitude of an interaction between bits in a bit string representing a state of an Ising model; output, when any bit in the bit string is inverted, a signal indicating inversion availability of an own bit according to calculation of energy change in the Ising model using the coefficient corresponding to the inverted bit and the own bit read from the memory as bit operations; output a signal indicating a bit to be inverted in the bit string selected on the basis of the signal indicating inversion availability output from bit operations of a first number of bits of the bit string, of the bit operations; and change the first number of bits and change a second number of bits of the coefficient for each bit operations of the first number of bits.

Abstract: An optimization device includes: a memory; and a processor configured to: perform, as annealing operations, a process including, with respect to a change in a value of any of state variables included in an evaluation function representing an energy, based on a change in the energy, determining which change of value of the state variables is accepted, and determining a value of each of the state variables; retain correspondence information in which identification information that identifies the annealing operations is arranged; cause start of the process by each of the annealing operations, determine whether or not to perform, when the processes by two of the annealing operations corresponding to two temperatures are completed, exchange of the temperatures assigned to the two annealing operations; update the correspondence information when performing the exchange; and supply temperature information representing the temperatures to the two annealing operations.

Abstract: A transmission line substrate includes a stacked body that includes insulating base materials, first and second signal lines, and first and second ground conductors. The second signal line is provided on a layer different from the layer of the first signal line and extends in parallel with the first signal line. The first ground conductor is provided on the same layer as the layer of the second signal line and overlapped with the first signal line when viewed in the Z-axis direction. The second ground conductor is provided on the same layer as the layer of the first signal line and overlapped with the second signal line when viewed in the Z-axis direction. A first transmission line includes the first signal line, the first ground conductor, and an insulating base material, and a second transmission line includes the second signal line, the second ground conductor, and the insulating base material.

Abstract: An optical fiber characteristic measuring device of the present invention includes a light source, an optical divider, an optical waveguide, a first separator, a second separator, a first interferer, a second interferer, and a calculator. The light source is configured to generate a frequency modulated continuous wave of light. The optical divider is configured to divide the frequency modulated continuous wave of light into first and second divided-waves of light. The optical waveguide is configured to guide the first divided-wave of light to one end of an optical fiber to be measured. The first separator is configured to separate a backscattered light generated by Brillouin scattering of the first divided-wave of light in the optical fiber to be measured into a first scattered light, which is a linearly polarized light, and a second scattered light, which is a linearly polarized light perpendicular to the first scattered light.

Abstract: The present invention relates to a data processor and a data processing method which are capable of acquiring strain distribution data at the same time. The data processor having an acquirer for acquiring strain distribution data in which a distributed optical fiber sensor measures a strain at a set of positions of an optical fiber at different times; and an interpolator for calculating the strains at the set of positions of the optical fiber at the same time by interpolating positions and times of the strain distribution data acquired by the acquirer.

Abstract: An optical fiber characteristic measuring device of the present invention includes a light source, an optical divider, an optical waveguide, a first separator, a second separator, a first interferer, a second interferer, and a calculator. The light source is configured to generate a frequency modulated continuous wave of light. The optical divider is configured to divide the frequency modulated continuous wave of light into first and second divided-waves of light. The optical waveguide is configured to guide the first divided-wave of light to one end of an optical fiber to be measured. The first separator is configured to separate a backscattered light generated by Brillouin scattering of the first divided-wave of light in the optical fiber to be measured into a first scattered light, which is a linearly polarized light, and a second scattered light, which is a linearly polarized light perpendicular to the first scattered light.

Abstract: As an aspect of an embodiment, an electric discharge lamp unit includes a casing which houses an integrated circuit for lighting an electric discharge lamp, and a support member which supports the electric discharge lamp and is integrated with the casing. The casing is filled with filler. The center of the support member in the vertical direction is higher than the center of the casing in the vertical direction and the center of the integrated circuit in the vertical direction.

Abstract: A related word presentation device includes a program information storage unit that stores program information of each program; and an information dividing unit that generates, for each of the attributes of the words included in the program information, at least one group which includes a reference word belonging to the attribute and a set of words which co-occur with the reference word in a program. A degree-of-relevance calculating unit stores attribute-based association dictionaries each of which indicates, for the corresponding attribute of words, (i) the words and (ii) the degrees of relevance between the words calculated based on the frequency of co-occurrence in each of groups. A search condition obtaining unit obtains the search word and the attribute; a substitute word obtaining unit selects substitute words from the attribute-based association dictionary for the obtained attribute; and an output unit presents the selected substitute word.

Abstract: A molten metal is fed from a distributor provided in a molten metal introduction portion of a casting die to a cavity of the casting die so as to perform a casting operation. A portion of the distributor to be in contact with the molten metal is made of a copper or a copper alloy. The casting is performed while setting a cavity temperature of the casting die in an initial stage of casting to a predetermined temperature and setting a temperature of the distributor in the initial stage of casting to 65° C. or lower.

Abstract: In an interactive program search apparatus (100) which presents search condition candidates for expanding or narrowing down search results, reason words indicating the reason why the search condition candidates are presented are adaptively determined based on user's preference, search actions, and watching actions. An association-source word extracting unit (109) extracts an association-source word from the program search results, and an associated word extracting unit (110) extracts associated words associated with the association-source word, from an association dictionary storage unit (103). A reason word extracting unit (111) extracts reason words illustrating the relationships between the association-source word and the associated words, using the association-source word, the associated words, and the obtainment history information composed of words included in the program information of the programs selected by the user in the past and selected words among the words.

Abstract: An information retrieval apparatus, which can present to a user only a related word matching a user search intent, includes: an associative dictionary storage unit for storing words included in plural pieces of text to be searched and relevance degrees between the words; an appearance frequency storage unit for storing an appearance frequency that is the number of pieces of text in which the words stored in the associative dictionary storage unit appear, among the plural pieces of text to be searched; and a related word obtaining unit that obtains a related word to be presented to the user, from the relevance degree between the search word entered by the user and another word among the words, the appearance frequency, and the user search intent.

Abstract: An information search support device includes: a cluster selection history information accumulation unit which accumulates content information of each cluster and cluster selection history information indicating a cluster selected by a user; a degree of certainty calculation unit which calculates a degree of certainty indicating a degree to which a vague search target of the user has been identified, based on the cluster selection history information accumulated; a search target estimation unit which obtains a condition for estimating the search target; a search-omitted information extraction unit which extracts search-omitted information that is included in the cluster that is not selected and is estimated from the obtained condition; and a search-omitted information addition unit which adds, to the cluster selected by the user, the extracted search-omitted information, in the case where the degree of certainty is equal to or higher than a predetermined threshold.

Abstract: To provide a content searching device which can efficiently present to the user a topical related keyword.

Abstract: A molten metal is fed from a distributor provided in a molten metal introduction portion of a casting die to a cavity of the casting die so as to perform a casting operation. A portion of the distributor to be in contact with the molten metal is made of a copper or a copper alloy. The casting is performed while setting a cavity temperature of the casting die in an initial stage of casting to a predetermined temperature and setting a temperature of the distributor in the initial stage of casting to 65° C. or lower.

Abstract: A circuit simulation model generation apparatus includes: a power supply wiring model generation section that generates a power supply wiring model which is a model of the power supply wiring; a logic circuit model generation section that generates a logic circuit model which is a model of the logic circuit; and a link section that adds, to the logic circuit model and the power supply wiring model, a voltage controller that acquires a potential value of a logic circuit connecting terminal and gives the acquired potential value to a power supply wiring connecting terminal and a current controller that acquires a current value of the power supply wiring connecting terminal and gives the acquired current value to the logic circuit connecting terminal in the simulation, and links the logic circuit model and the power supply wiring model to generate a simulation model.

Abstract: As an aspect of an embodiment, an electric discharge lamp unit includes a casing which houses an integrated circuit for lighting an electric discharge lamp, and a support member which supports the electric discharge lamp and is integrated with the casing. The casing is filled with filler. The center of the support member in the vertical direction is higher than the center of the casing in the vertical direction and the center of the integrated circuit in the vertical direction.

Abstract: A target estimation device that appropriately estimates a function targeted by a user from among functions of an operated apparatus includes: an item inputting unit (102) that obtains an item; a function representation storing unit (107) that stores function names of the operated apparatus; an identical word detecting unit (116) that detects a category of a word identical between each of the function names and the item; an operation intention calculating unit (117) that changes a method for calculating similarities between the item and the respective function names, for each of the function names, depending on the detected category, and that calculates the similarities as degrees of intentions of the user who has selected the item, using the changed calculation method; and a target estimation unit (112) that estimates a function so that the function having a higher degree of an intention is the function targeted by the user.

Abstract: An operation assisting apparatus includes: an option-function distance storage unit that stores a semantic distance between each of the options displayed on a menu screen and each of functions positioned at an end in the hierarchical structure; an operation history storage unit that stores the operation history of the options sequentially selected by the user; an estimation unit that estimates, based on a semantic distance between a selection option selected by the user and each of the functions, and a semantic distance between an unselected selection option that has been selectable but not selected and each of the functions, a degree of probability that the function is the function desired by the user; and an operational assistance determination unit that determines, based on the result of the estimation, a detail of an output such that functions with higher probability will be presented with higher precedence in selectability.

Abstract: A mat type recording medium for ink jet printing is provided which exhibits optimum printability no matter which of dye ink and pigment ink may be used in printing. The recording medium, which is for recording with use of water-based ink containing an ink colorant, comprises a paper base and an ink receptive layer formed on a surface of the paper base, the ink receptive layer comprising a porous layer containing an inorganic pigment and also containing a substance reactive with the ink colorant.

Abstract: An image search device is provided which relatively easily outputs images that a user wishes to use for interpolation from among a large volume of stored image content data.