Abstract: A method of automatically regulating a bleeder current and an LED SCR dimming circuit are provided. According to the method, the SCR module can be controlled to be turned on reliably by detecting a leakage current when the SCR module is turned off and performing control for the bleeder current based on the size of the leakage current and correspondingly setting the size of the bleeder current, thereby greatly reducing power source loss and improving power source efficiency.

Abstract: A computer-implemented method is presented for inferring passenger routes in a subway system. The method includes identifying, via an imaging device, a target passenger within the subway system, employing an exiting flow extractor to determine passenger exiting waves, employing an exiting wave identifier to mark an exiting wave of the passenger exiting waves including the target passenger, employing a supporting evidence backtracer to determine an entrance gate for each of the passengers in the marked exiting wave including the target passenger, determining a route probability for each of the passengers in the marked exiting wave including the target passenger via voting or distribution estimation processing, and employing a most probable route inferer to infer a route of the target passenger based on an aggregate route probability for all the passengers in the marked exiting wave.

Abstract: A computer-implemented method, computer program product, and computer processing system are provided for computing a trajectory-based Point of Interest recommendation. The method includes generating, by a processor device, a set of embeddings. Each of the embeddings in the set relates to a respective different trajectory contextual element of a user trajectory. The method further includes computing, by the processor device based on the set of embeddings, an activity representation that includes a set of POI candidate embeddings. The method also includes composing, by the processor device, a stop embedding based on the activity representation and the embeddings in the set and corresponding to a given stop in the user trajectory. The method additionally includes computing, by the processor device, the trajectory-based POI recommendation using an attention-based, user-specific, multi-stop trajectory, Recurrent Neural Network (RNN) model applied to the stop embedding.

Abstract: Methods, systems, and computer program products relate to deduplication of points of interest (POIs) from different sources. In some embodiments, a method is disclosed. According to the method, a first set of POIs are obtained from a first source and a second set of POIs are obtained from a second source. The first set of POIs are divided into a plurality of groups of POIs including a first group of POIs. A second group of POIs to be matched with the first group of POIs are determined from the second set of POIs. Duplicated POIs are identified from the first and second sets of POIs by matching the first group of POIs and the second group of POIs. In other embodiments, a system and a computer program product are disclosed.

Abstract: A computer-implemented method for implementing separated attention on like and dislike items for personalized ranking includes performing an element-wise product on a user embedding and a final like item embedding to generate a first vector. The method further includes performing an element-wise product on the user embedding and a final dislike item embedding to generate a second vector. The method further includes computing a probability that the user prefers the like item to the dislike item based on the first and second vectors, and generating one or more item recommendations including one or more electronic images for the user using the probability.

Abstract: A computer-implemented method, a computer program product, and a computer processing system are provided for residual value prediction of an item. The method includes predicting, by a processor device, features of the item from unstructured data and structured data. The method further includes predicting, by the processor device, a residual value of the item using the predicted features. The method also includes generating, by the processor device on an interactive user display device, an interactive display interface that includes a prediction of the residual value of the item and provides a set of user selectable actions for performing relative to the prediction.

Abstract: A computer-implemented method is provided for image-based, self-guided object detection. The method includes receiving, by a processor device, a set of images. Each of the images has a respective grid thereon that is labeled regarding a respective object to be detected using grid level label data. The method further includes training, by the processor device, a grid-based object detector using the grid level label data. The method also includes determining, by the processor device, a respective bounding box for the respective object in each of the images, by applying local segmentation to each of the images. The method additionally includes training, by the processor device, a Region-based Convolutional Neural Network (RCNN) for joint object localization and object classification using the respective bounding box for the respective object in each of the images as an input to the RCNN.

Abstract: Embodiments of the present disclosure relate to methods, systems and computer program products for authorization of resource access. According to the method, a first token is assigned by one or more processing units to authorize a client to access at least one protected resource of a resource owner. The first token depends on an access session with the client. A second token associated with at least one long-term protected resource of the resource owner is assigned by one or more processing units to the client based on the assigning of the first token. The second token is independent from the access session. In response to receiving a request including the second token from the client, the at least one long-term protected resource is provided by one or more processing units to the client. In other embodiments, a further method and corresponding systems and computer program products are disclosed.

Abstract: Methods and systems for reinforcement learning with dynamic agent grouping include gathering information at a first agent using one or more sensors. Shared information is received at the first agent from a second agent. An agent model is trained at the first agent using the gathered information and the shared information. A contribution of the shared information is weighted according to a degree of similarity between the first agent and the second agent. An action is generated using the trained agent model responsive to the gathered information.

Abstract: A computer-implemented method is presented for implementing multi-aspect sentiment analysis by collaborative attention allocation. The method includes extracting a sequence of word vectors from a sentence received from a data stream, feeding the sequence of word vectors to long short-term memory (LSTM) neural networks to generate a sequence of hidden states corresponding to the sequence of word vectors, generating a plurality of aspect embedding vectors for each aspect, employing an attention mechanism to determine attention weight vectors concurrently for all aspects, and outputting predicted sentiments for each aspect of the sentence to a user interface of a computing device.

Abstract: Systems and methods for navigating in consideration of estimated air quality in an individual area of a geographic region includes receiving traffic data for the individual area and sensor data of environmental pollution sensors within the individual region.

Abstract: A mechanism is provided for controlling the internal air-quality of a vehicle. In-vehicle sensor data of a vehicle are acquired and the usage status of the vehicle is determined based on the acquired in-vehicle sensor data. Based on the acquired in-vehicle sensor data and the determined usage status, a changing trend of the in-vehicle air-quality is determined and responsive to the determined changing trend of the in-vehicle air-quality, a control system of the vehicle is signaled to control the usage status of the vehicle based on a control policy.

Abstract: A mechanism is provided for controlling the internal air-quality of a vehicle, including determining a changing trend of the in-vehicle air-quality based on acquired in-vehicle sensor data and usage status of the vehicle and responsive to the determined changing trend of the in-vehicle air-quality, signaling a control system of the vehicle to control the usage status of the vehicle based on a control policy.

Abstract: Techniques for expanding activity channels in an online network are provided. In one technique, one or more search criteria associated with a first user are determined. Based on the one or more search criteria, a search of a first set of users is performed. As a result of the search, a subset of the first set of users is identified. A second set of users that have responded to messages from users in the subset is identified. Instances of attribute values of an attribute of the second set of users are aggregated to generate aggregated values, each of which corresponds to a different attribute value of the attribute values. Based on one or more of the aggregated values, content that is related to one or more attribute values that correspond to the one or more aggregated values is determined and presented to the first user.

Abstract: The present invention discloses a novel low-temperature fuel reforming unit based on combined external reformer of an engine, comprising an engine cylinder and an external low-temperature fuel reformer; the external low-temperature fuel reformer is winded with a heater strip and is provided with a first temperature controlled meter, the inlet of the external low-temperature fuel reformer is connected with a air inlet pipe and a fuel sample injection pipe, and a flow meter is arranged on the air inlet pipe; the fuel sample injection pipe is connected with a fuel injection pump and a fuel vaporization tank which is provided with a second temperature controlled meter; the outlet of the external low-temperature fuel reformer is connected with the engine inlet pipe via a reforming gas pipe; and the reformed low-temperature products enter into the engine inlet pipe via the reforming gas pipe for combining with the fresh air again to form a uniform hybrid gas, and the hybrid gas is introduced into the engine cylinde

Abstract: An LTE cellular mobile network access system and a corresponding communication method are provided. The system includes a SIM card interface device, a mobile terminal, and a NRS accessing to a domestic cellular mobile network. The SIM card interface device is configured to hold a SIM card and forward authentication information of the SIM card to the NRS via the mobile terminal. The mobile terminal is in communication with the NRS via the Internet and is configured to register on the NRS and transmit signaling data and voice data to the NRS. The NRS is configured to establish a standard S1 connection with the domestic cellular mobile network and transmit the signaling data and the voice data to the domestic cellular mobile network.

Abstract: A method and system obtaining positioning data from an object traveling on a plurality of routes; mapping the data into a plurality of points on a digital map; identifying points that are matched based on a distance and having a traveling direction consistent with the route directions; obtaining candidate transition points from the plurality of points on the digital map; aggregating the candidate transition points by applying a clustering algorithm to obtain a first cluster of points and a plurality of second clusters of points, verifying a confidence that the first cluster of points are transition points indicating a transition between the routes, and in response to the confidence being below a threshold confidence, classifying the first cluster of points as a first plurality of traveling points having a first direction and automatically adjusting the digital map at least in part based on the first cluster of points.

Abstract: A method and system obtaining positioning data from an object traveling on a plurality of routes; mapping the data into a plurality of points on a digital map; identifying points that are unmatched to the stored route trajectory; obtaining candidate transition points from the unmatched points; aggregating the candidate transition points by applying a clustering algorithm; selecting a first cluster of points and a plurality of second clusters of points, determining a confidence level that the first cluster of points are transition points indicating a transition between the routes, classifying the first cluster of points as a first plurality of traveling points having a first direction in response to the confidence being below a threshold confidence and automatically adjusting the stored route trajectory to indicate that the first cluster of points are on the route trajectory.

Abstract: A method of automatically regulating a bleeder current and an LED SCR dimming circuit are provided. According to the method, the SCR module can be controlled to be turned on reliably by detecting a leakage current when the SCR module is turned off and performing control for the bleeder current based on the size of the leakage current and correspondingly setting the size of the bleeder current, thereby greatly reducing power source loss and improving power source efficiency.

Abstract: Method and system for identifying user expectations in question answering in an on-line social network system are described. The automated support system is configured to address the technical problem of optimization of the processing of user input submitted to a computer in the form of a natural language. The automated support system uses machine learning algorithms to automatically extract, from the user input, information indicative of the user's expectations and obtain data relevant to the input based on said information indicative of the user's expectations.