Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7444356 | Construction of trainable semantic vectors and clustering, classification, and searching using trainable semantic vectors An apparatus and method are disclosed for producing a semantic representation of information in a semantic space. The information is first represented in a table that stores values which indicate a relationship with predetermined categories. The categories correspon... | 10/28/2008 |
| 7406456 | Construction of trainable semantic vectors and clustering, classification, and searching using trainable semantic vectors An apparatus and method are disclosed for producing a semantic representation of information in a semantic space. The information is first represented in a table that stores values which indicate a relationship with predetermined categories. The categories correspon... | 07/29/2008 |
| 7299247 | Construction of trainable semantic vectors and clustering, classification, and searching using trainable semantic vectors An apparatus and method are disclosed for producing a semantic representation of information in a semantic space. The information is first represented in a table that stores values which indicate a relationship with predetermined categories. The categories correspon... | 11/20/2007 |
| 6751621 | Construction of trainable semantic vectors and clustering, classification, and searching using trainable semantic vectors An apparatus and method are disclosed for producing a semantic representation of information in a semantic space. The information is first represented in a table that stores values which indicate a relationship with predetermined categories. The categories correspon... | 06/15/2004 |
| 6289338 | Database analysis using a probabilistic ontology A method and system for efficiently analyzing databases. In one embodiment, the invention is used to analyze data represented in the form of attribute-value (a-v) pairs. A primary step in building the ontology is to identify parent, child and related a-v ... | 09/11/2001 |
| 6275229 | Computer user interface for graphical analysis of information using multiple attributes A method and apparatus for efficiently analyzing information on a computer is provided. The information contains information items where each information item has a plurality of attributes. The information is re-organized based on the attributes and displ... | 08/14/2001 |
| 6094650 | Database analysis using a probabilistic ontology A method and system for efficiently analyzing databases. In one embodiment, the invention is used to analyze data represented in the form of attribute-value (a-v) pairs. A primary step in building the ontology is to identify parent, child and related a-v ... | 07/25/2000 |
| 6038561 | Management and analysis of document information text An interactive system for analyzing and displaying information contained in a plurality of documents employing both term-based analysis and conceptual-representation analysis. Particulars of the invention are especially effective for analyzing patent text... | 03/14/2000 |
