CA2243724A1 - A geographical information search system - Google Patents
A geographical information search systemInfo
- Publication number
- CA2243724A1 CA2243724A1 CA002243724A CA2243724A CA2243724A1 CA 2243724 A1 CA2243724 A1 CA 2243724A1 CA 002243724 A CA002243724 A CA 002243724A CA 2243724 A CA2243724 A CA 2243724A CA 2243724 A1 CA2243724 A1 CA 2243724A1
- Authority
- CA
- Canada
- Prior art keywords
- time
- location tags
- user
- records
- tags
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
A network-based search system is disclosed in which queries and information records are qualified by temporal and geographical references, such as those provided by a map-based directory system. Briefly, queries are submitted using text strings together with time tags and location tags. Time tags and location tags refer to the date/time the query was last submitted for a search and the geographical area of interest (defined by ranges of latitude and longitude coordinates), respectively. The information records being searched preferably contain similar time and location tags. However, time and location tags associated with information records refer to the date/time the record was last modified and the origin of the record, respectively. A
mechanism is also provided for determining location tags for records that do not include location tags. In all, a comparison between the time and location tags associated with a query and the time and location tags associated with the information records permits geographically irrelevant records to be suppressed and allows the user to automatically receive only information that has been modified since the user last requested it. Thus, search results are automatically pre-filtered prior to being transmitted to the user who originated the query, thereby conserving network resources and reducing the amount of context-based filtering required of the user.
mechanism is also provided for determining location tags for records that do not include location tags. In all, a comparison between the time and location tags associated with a query and the time and location tags associated with the information records permits geographically irrelevant records to be suppressed and allows the user to automatically receive only information that has been modified since the user last requested it. Thus, search results are automatically pre-filtered prior to being transmitted to the user who originated the query, thereby conserving network resources and reducing the amount of context-based filtering required of the user.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/901,249 US6650998B1 (en) | 1996-03-11 | 1997-07-28 | Information Search System for enabling a user of a user terminal to search a data source |
US08/901,249 | 1997-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2243724A1 true CA2243724A1 (en) | 1999-01-28 |
CA2243724C CA2243724C (en) | 2002-01-22 |
Family
ID=25413818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002243724A Expired - Fee Related CA2243724C (en) | 1997-07-28 | 1998-07-21 | A geographical information search system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2243724C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1102179A3 (en) * | 1999-11-17 | 2002-10-02 | Xerox Corporation | Systems and methods for performing crawl searches and index searches |
WO2006014824A1 (en) * | 2004-07-26 | 2006-02-09 | Wireless 5Th Dimensional Networking, Inc. | Context-based search engine residing on a network |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9858051B2 (en) * | 2011-06-24 | 2018-01-02 | Cavium, Inc. | Regex compiler |
-
1998
- 1998-07-21 CA CA002243724A patent/CA2243724C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1102179A3 (en) * | 1999-11-17 | 2002-10-02 | Xerox Corporation | Systems and methods for performing crawl searches and index searches |
US6704722B2 (en) | 1999-11-17 | 2004-03-09 | Xerox Corporation | Systems and methods for performing crawl searches and index searches |
WO2006014824A1 (en) * | 2004-07-26 | 2006-02-09 | Wireless 5Th Dimensional Networking, Inc. | Context-based search engine residing on a network |
Also Published As
Publication number | Publication date |
---|---|
CA2243724C (en) | 2002-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20170721 |