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| Number | Title | Issue Date |
| 5877911 | Magneto-resistive head pre-amplifying circuit for avoiding output voltage transients A circuit is disclosed for pre-amplifying signals from an MR sensor in a disk drive without producing output voltage transients as the MR head changes its operational mode. In one preferred embodiment, the circuit includes a bias current source, an input ... | 03/02/1999 |
| 5870735 | Method and system for generating a decision-tree classifier in parallel in a multi-processor system A method and system are disclosed for generating a decision-tree classifier in parallel in a multi-processor system, from a training set of records. The method comprises the steps of: partitioning the records among the processors, each processor generatin... | 02/09/1999 |
| 5870748 | Method and apparatus for deriving an optimized confidence rule A method is disclosed for determining the correlation among data sets having a numerical attribute and a 0-1 attribute. First, a numerical attribute is divided into a plurality of buckets, and each data set is placed into a single bucket according to the ... | 02/09/1999 |
| 5813002 | Method and system for linearly detecting data deviations in a large database A method for detecting deviations in a database is disclosed, comprising the steps of: determining respective frequencies of occurrence for the attribute values of the data items, and identifying any itemset whose similarity value satisfies a predetermine... | 09/22/1998 |
| 5812997 | Method and apparatus for deriving an association rule between data A method is described for finding correlation between a plurality of data having two kinds of numerical attributes and a true-false attribute. The method comprises the steps of: constituting a plane with two numerical attributes, dividing the plane into m... | 09/22/1998 |
| 5799311 | Method and system for generating a decision-tree classifier independent of system memory size A method and system are disclosed for generating a decision-tree classifier from a training set of records, independent of the system memory size. The method comprises the steps of: generating an attribute list for each attribute of the records, sorting t... | 08/25/1998 |
| 5799300 | Method and system for performing range-sum queries on a data cube A method for performing a range-sum query in a database, in which the data is represented as a multi-dimensional data cube, is disclosed. The method comprises the steps of: selecting a subset of the dimensions of the data cube; computing a set of prefix-s... | 08/25/1998 |
| 5796827 | System and method for near-field human-body coupling for encrypted communication with identification cards An apparatus and method are disclosed for encoding and transferring data from a transmitter to a receiver, using the human body as a transmission medium. The transmitter includes an electric field generator, a data encoder which operates by modulating the... | 08/18/1998 |
| 5787274 | Data mining method and system for generating a decision tree classifier for data records based on a minimum description length (MDL) and presorting of records A method and apparatus are disclosed for generating a decision tree classifier from a training set of records. The method comprises the steps of: pre-sorting the records based on each numeric record attribute, creating a decision tree breadth-first, and p... | 07/28/1998 |
| 5764872 | Method and system for displaying vector data as stream lines in a space represented by tetrahedral cells A method and apparatus for displaying stream lines in a space are disclosed. First, the space is divided into a plurality of tetrahedral cells. Position data of each vertex of the tetrahedral cells and vector data at each position are collected. A critica... | 06/09/1998 |
| 5748023 | Integrator with output-compensating capability An integrator is disclosed that is capable of outputting the same integration result with respect to the same bit pattern even if there are fluctuations in the integrating period, semiconductor device process, or the power supply voltage. The disclosed in... | 05/05/1998 |
