摘要:
A system for automatically generating a wrapper for an entire website, the wrapper characterising the structure of the website, the system having a plurality of functional elements, including at least one annotation module to classify components of a page and generate an annotated, a page classification module to identify functional and informational components of an annotated page, and an action module to identify an action to be taken to further navigate the website, wherein at least one of the annotation module, page classification module and action module is operable in response to a plurality of domain-specific rules, where a domain is understood as a conceptual domain such as real estate, used cars, or electronics.
摘要:
A computer-implemented method of providing a materialisation of a set of logical rules on a logical database comprising a set of logical facts. Each of a plurality of parallel processing threads performs the following steps. A logical fact that has not previously been received by any thread is received by the thread. By applying any of the logical rules to the received logical fact and/or any of the logical facts received by any thread prior to the received logical fact, the thread determines whether a new logical fact is implied, and if so the new logical fact is added to the set of logical facts. The thread then repeats the above steps on any further logical facts in the set of logical facts that have not previously been received by any thread. When all threads are waiting for a new logical fact, the method has completed.
摘要:
A method of training a neural network having at least an input layer, an output layer and a hidden layer, and a weight matrix encoding connection weights between two of the layers, the method comprising the steps of (a) providing an input to the input layer, the input having an associated expected output, (b) receiving a generated output at the output layer, (c) generating an error vector from the difference between the generated output and expected output, (d) generating a change matrix, the change matrix being the product of a random weight matrix and the error vector, and (e) modifying the weight matrix in accordance with the change matrix.
摘要:
A system for automatically generating a wrapper for an entire website, the wrapper characterising the structure of the website, the system having a plurality of functional elements, including at least one annotation module to classify components of a page and generate an annotated, a page classification module to identify functional and informational components of an annotated page, and an action module to identify an action to be taken to further navigate the website, wherein at least one of the annotation module, page classification module and action module is operable in response to a plurality of domain-specific rules, where a domain is understood as a conceptual domain such as real estate, used cars, or electronics.
摘要:
A velocity selective preparation method is disclosed, for velocity selective arterial spin labelling (VSASL), the VSASL method using non-selective radiofrequency pulses and magnetic field gradients to modulate the longitudinal magnetization of the spins as a function of their velocity, wherein said velocity selective preparation method comprises an n-segment B1 insensitive rotation that is resistant to eddy current artifacts.
摘要:
An electric machine comprises a rotor, preferably having permanent magnets, although other field generation means are available, and a stator. The stator has coils wound on stator bars for interaction with the magnetic field of the rotor across an air gap defined between them. The rotor comprises a housing of a chamber containing refrigerant. The rotor housing has heat dissipating fins accessible by the open environment whereby air movement relative to the housing caused at least by rotation of the rotor absorbs heat from the fins. The machine may be an axial flux machine, the coils being wound on bars that are disposed circumferentially spaced around a fixed axle of the machine forming a rotational axis of the rotor. The machine may be a wheel motor for a vehicle, wherein the wheel is mounted directly on the rotor housing.
摘要:
The invention relates to therapeutic agents for use in the prevention or treatment of Alzheimer's disease. In particular the invention relates to use of inhibitors of cell cycle reentry and progression to the G1/S transition or inhibitors of progression of the cell cycle through the G1/S transition point in the prevention or treatment of Alzheimer's disease.