| 摘要 |
<p>A method and apparatus for a fast access CDROM file structure for indexed databases. The invention takes advantage of a sequential, multi-step look-up process for inverted indexes by physically interleaving an initial index with its corresponding inverted index on a CDROM disk. A speed improvement in accessing the indexes is realized by ensuring that the second of two required seeks in the process is almost always a longitudinal seek to a data block following a data block read after the first seek. Thus, lateral seeks are substantially reduced, thereby reducing average seek time.</p> |
