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Method and system for storing mass data of Internet of Things (IoT)

The invention relates to a method and a system for storing mass data of the Internet of Things (IoT). The system comprises a plurality of data receiving nodes, a master node server and a database cluster. The method comprises the following steps of: (1) carrying out preprocessing on IoT data, and putting the preprocessed data in the database cluster consisting of a master node, slave nodes and the data receiving nodes; (2) creating sample records, which take sample elements as storage units, on the master node according to the static and dynamic information of the data in the database cluster; (3) after the sample records are encapsulated, sending the encapsulated sample records to all the slave nodes by the master node so as to be subjected to fragmentation processing and/or separated storage; and (4) after the slave nodes complete storage, uploading results to the master node, and updating the data in the database cluster by the master node, thereby completing storage. According to the method and the system, the cluster is extended by fully utilizing the existing storage technologies so as to store the mass data, the IoT data are divided into lightweight data and multimedia data, and particularly, a fragmentation strategy is adopted aiming at a large-scale amount of data, so that the time expenditure caused by the extension of a storage space is avoided.
Owner:COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI

Effective multi-class support vector machine classification

An improved method of classifying examples into multiple categories using a binary support vector machine (SVM) algorithm. In one preferred embodiment, the method includes the following steps: storing a plurality of user-defined categories in a memory of a computer; analyzing a plurality of training examples for each category so as to identify one or more features associated with each category; calculating at least one feature vector for each of the examples; transforming each of the at least one feature vectors so as reflect information about all of the training examples; and building a SVM classifier for each one of the plurality of categories, wherein the process of building a SVM classifier further includes: assigning each of the examples in a first category to a first class and all other examples belonging to other categories to a second class, wherein if any one of the examples belongs to another category as well as the first category, such examples are assigned to the first class only; optimizing at least one tunable parameter of a SVM classifier for the first category, wherein the SVM classifier is trained using the first and second classes; and optimizing a function that converts the output of the binary SVM classifier into a probability of category membership.
Owner:KOFAX

Method and system for implicitly resolving pointing ambiguities in human-computer interaction (HCI)

A method and system for implicitly resolving pointing ambiguities in human-computer interaction by implicitly analyzing user movements of a pointer toward a user targeted object located in an ambiguous multiple object domain and predicting the user targeted object, using different categories of heuristic (statically and/or dynamically learned) measures, such as (i) implicit user pointing gesture measures, (ii) application context, and (iii) number of computer suggestions of each predicted user targeted object. Featured are user pointing gesture measures of (1) speed-accuracy tradeoff, referred to as total movement time (TMT), and, amount of fine tuning (AFT) or tail-length (TL), and, (2) exact pointer position. A particular application context heuristic measure used is referred to as containment hierarchy. The invention is widely applicable to resolving a variety of different types of pointing ambiguities such as composite object types of pointing ambiguities, involving different types of pointing devices, and which are widely applicable to essentially any type of software and/or hardware methodology involving using a pointer, such as in computer aided design (CAD), object based graphical editing, and text editing.
Owner:RAMOT AT TEL AVIV UNIV LTD

Methods and computer executable instructions for rapidly calculating simulated particle transport through geometrically modeled treatment volumes having uniform volume elements for use in radiotherapy

Methods and computer executable instructions are disclosed for ultimately developing a dosimetry plan for a treatment volume targeted for irradiation during cancer therapy. The dosimetry plan is available in "real-time" which especially enhances clinical use for in vivo applications. The real-time is achieved because of the novel geometric model constructed for the planned treatment volume which, in turn, allows for rapid calculations to be performed for simulated movements of particles along particle tracks there through. The particles are exemplary representations of neutrons emanating from a neutron source during BNCT. In a preferred embodiment, a medical image having a plurality of pixels of information representative of a treatment volume is obtained. The pixels are: (i) converted into a plurality of substantially uniform volume elements having substantially the same shape and volume of the pixels; and (ii) arranged into a geometric model of the treatment volume. An anatomical material associated with each uniform volume element is defined and stored. Thereafter, a movement of a particle along a particle track is defined through the geometric model along a primary direction of movement that begins in a starting element of the uniform volume elements and traverses to a next element of the uniform volume elements. The particle movement along the particle track is effectuated in integer based increments along the primary direction of movement until a position of intersection occurs that represents a condition where the anatomical material of the next element is substantially different from the anatomical material of the starting element. This position of intersection is then useful for indicating whether a neutron has been captured, scattered or exited from the geometric model. From this intersection, a distribution of radiation doses can be computed for use in the cancer therapy. The foregoing represents an advance in computational times by multiple factors of time magnitudes.
Owner:BATTELLE ENERGY ALLIANCE LLC

Traffic jam avoiding prompting system based on collective intelligence network

The invention provides a traffic jam avoiding prompting system based on a collective intelligence network. The traffic jam avoiding prompting system consists of a webpage traffic hot spot digging module, a microblog traffic hot spot digging module, a road condition rule predicting module, a jam hot spot verification and management module, a real-time traffic hot spot server, a traveling route planning module based on hot spot avoiding, a traffic hot spot and avoiding route display module and intelligent mobile phone end application software. The traffic jam avoiding prompting system faces the collective intelligence sensing network, is combined with the traditional traffic information sources, carries out digging and prediction on the urban traffic hot spots on the basis of the data activation technology, and further provides the traffic jam hot spot display and avoiding prompt service for intelligent terminal users. The traffic jam avoiding prompting system has the advantages that the data is from the multi-source collective intelligence network, the accuracy is good, the checking comprehensive rate is high, the hot spots are captured and fed back in real time, high efficiency and practicability are realized, the design is good, the operation is stable, the installation is convenient, the traffic jam avoiding prompting system can become a tool capable of providing wide and practical intelligent traffic information for urban residents, and the efficient information prompt is provided for the users to realize the smooth traveling.
Owner:BEIHANG UNIV

Method for constructing real scene model collaborative design platform of railway engineering

The invention relates to a method for constructing a real scene model collaborative design platform of railway engineering. Railway and urban rail transit projects are distributed in a strip shape, engineering data are large, numerous professions are involved, and therefore, the efficient and stable collaborative design platform needs establishing. According to the method, the strip-shaped continuous three-dimensional real scene model is established along the whole range of the project, and fusion processing is performed on all professional three-dimensional building information models (BIM) and the three-dimensional real scene model. Under the management mode of a distributed database, management is performed on a global data base of the three-dimensional real scene model collaborative design platform and special databases of all professional BIM design platforms which only transmit upstream data and downstream data involved in collaborative design and generated BIM three-dimensional design results onto the three-dimensional real scene model collaborative design platform. By means of the method, the strip-shaped project information model along the whole range of the project is established, all professional interactive data are integrated into a continuous three-dimensional real scene, and collaborative design is achieved.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Intelligent handling system and method for elevator failure repair

The invention provides an intelligent handling system and method for elevator failure repair, which can efficiently and quickly handle elevator failures, lowers the elevator running cost and guarantees life and property safety. The intelligent handling method comprises the following steps: one-key repair or code-scanning repair is performed, wherein one-key repair is that a one-key repair button arranged in an elevator car is pressed down to send failure information including the elevator name and the like to a cloud platform through a network, and code-scanning repair is that repair QR codes are scanned with a mobile phone to be linked to the cloud platform, and then the failure information is sent to the cloud platform through the network; after receiving the failure information, the cloud platform sends the elevator position and the failure information to a property management terminal and a maintenance personnel terminal through the network; after seeing the failure information on the maintenance personnel terminal, maintenance personnel receives or refuses maintenance tasks and feeds back to the cloud platform, and if receiving the maintenance tasks, the maintenance personnel feeds the progress and handling information of the maintenance tasks through the maintenance personnel terminal; and the cloud platform sends the progress and the handling information of the maintenance tasks to the property management terminal and the maintenance personnel terminal through the network.
Owner:NANJING NEW LANDMORE DISPLAY TECH

Multisource semantic analysis based information retrieval method

The invention discloses a multisource semantic analysis based information retrieval method. The method comprises the steps that document acquisition and preprocessing are performed; document modeling is performed by utilizing an LDA model, and a reverse index is established; obtaining and preprocessing of user's initial query are performed; multi-dimensional analysis is performed according to the judgment whether queried lexical items are professional medical vocabularies or not, lexical item weighting and query extension are performed based on WordNet and UMLS Metathesaurus; the similarity between a queried extended word set and documents undergoing dimensionality reduction of LDA is calculated, ranking is performed according to progressively decreasing similarity, and the documents which are not lower than a preset threshold value are extracted and returned to a user. The multisource semantic analysis based information retrieval method integrates the characteristics of the WordNet and the UMLS Metathesaurus, conducts multi-dimensional analysis, weighting and extension on the initial query, can make the user's query intention more accurately understood, utilizes the LDA model to perform document modeling, analyzes the document representation capacity of lexical items at hidden theme level and improves the document retrieval performance for the user.
Owner:BEIJING UNIV OF TECH
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