发明名称 |
NAVIGATION OF THE CONTENT SPACE OF A DOCUMENT SET |
摘要 |
Content-based addressing is used to navigate forward, backward and in a circular fashion through documents in a content space. To enable backward navigation, a descriptor file is created for a new version that contains not only a message digest for the new version, but also a message digest of the older document. A message digest is created for the descriptor file. A user navigates backward starting with the message digest of the descriptor file. To enable forward navigation, a mapping table maps a message digest of an older document into the message digest of the new version. A high-level descriptor file contains the message digest of the original document and the message digest of the mapping table. The message digest of the high-level descriptor file is returned to the user. A user navigates forward starting with the hig h- level descriptor file message digest. To enable circular navigation, a mappi ng table maps a message digest of a second document into a message digest of a version of the second document containing a message digest of a first document. The techniques are combined to allow navigation through a complex content space.
|
申请公布号 |
CA2509462(A1) |
申请公布日期 |
2004.06.24 |
申请号 |
CA20032509462 |
申请日期 |
2003.12.09 |
申请人 |
HYPERTRUST NV |
发明人 |
WINTERS, JORIS;WILLEMS, MAARTEN J. P. A.;CARPENTIER, PAUL R. M. |
分类号 |
G06F7/00;G06F17/30;(IPC1-7):G06F17/30 |
主分类号 |
G06F7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|