Resources Contact Us Home
Memory storing an integrated index of database records

Image Number 15 for United States Patent #5797008.

A data processing system includes at least one central processor for executing instructions of software programs. In addition the data processing system includes a memory containing a data structure common to the software programs. The common data structure includes a compressed index data structure. The index structure stores index entries referencing a database. The database includes multiple records, each having a unique address in the database. Each index entry includes a word entry if the index entry represents a compressed encoding of a unique portion of information sequentially parsed from the database. The word entry is followed by one or more location entries which reference occurrences of the portions of information. Each index entry includes a metaword entry if the index entry represents a unique attribute of one or more related words. The metaword entry is followed by one or more location entries referencing occurrences of the attributes. The index entries are sequentially organized according to a collating order of the words and metawords, and the location entries organized according to their collating order. The memory also stores a summary data structure including summary entries generated by periodically sampling the location entries. Each summary entry includes an encoding of the word entry associated with the sampled location entry, an encoding of the sampled location entry, and a pointer to a next location entry following the sampled entry.

  Recently Added Patents
Micromachined devices and fabricating the same
Multiple CQI feedback for cellular networks
EpCAM as a reprogramming factor for non-pluripotent cells
System for purifying air through germicidal irradiation and method of manufacture
Error protection for pipeline resources
Synchronization of web applications and media
  Randomly Featured Patents
Multiple instruction set data processing system with conditional branch instructions of a first instruction set and a second instruction set sharing a same instruction encoding
Gas blowing plug and manufacturing method therefor
Antiestrogen therapy for symptoms of estrogen deficiency
Apparatus and method for extracting a portion of an image
Continuous process for producing a shaped steel member
Fishing float
Gasket retainer
Rear projector
Adaptive display system and method for a gaming machine