| Paper Abstract and Keywords |
| Presentation |
2006-07-13 11:45
Proposal of Data Allocation Method Supporting Perpetually Updated Map Data for Embedded Database
Daisuke Ito, Masaaki Tanizaki, Shigeru Shimada (Hitachi, Ltd.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Storage devices used by handheld terminal that treats a geographic database as typified by a car navigation system is changing from DVD-ROM to HDD. HDD is updatable and faster than DVD-ROM, suit for the handheld terminal. But the current handheld terminal can’t update the geographic database using only differential data because the handheld terminal treats the geographic database as a large file. Even if applying a DBMS to the handheld terminal and change it updatable, there is remains a fragmentation problem of a database incidental to long operation. To solve this problem, we propose a duplicate ID nearly located table having a tolerance to fragment and also present an estimate evaluation of our approach. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Embedded Database / DBMS / Geographic Database / mobile / car navigation system / update / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 149, DE2006-68, pp. 107-111, July 2006. |
| Paper # |
DE2006-68 |
| Date of Issue |
2006-07-06 (DE) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
DE |
| Conference Date |
2006-07-12 - 2006-07-14 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
HOTEL SENKEI |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Data Engineering, etc. |
| Paper Information |
| Registration To |
DE |
| Conference Code |
2006-07-DE |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Proposal of Data Allocation Method Supporting Perpetually Updated Map Data for Embedded Database |
| Sub Title (in English) |
|
| Keyword(1) |
Embedded Database |
| Keyword(2) |
DBMS |
| Keyword(3) |
Geographic Database |
| Keyword(4) |
mobile |
| Keyword(5) |
car navigation system |
| Keyword(6) |
update |
| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Daisuke Ito |
| 1st Author's Affiliation |
Hitachi, Ltd., Central Research Laboratory (Hitachi, Ltd.) |
| 2nd Author's Name |
Masaaki Tanizaki |
| 2nd Author's Affiliation |
Hitachi, Ltd., Central Research Laboratory (Hitachi, Ltd.) |
| 3rd Author's Name |
Shigeru Shimada |
| 3rd Author's Affiliation |
Hitachi, Ltd., Central Research Laboratory (Hitachi, Ltd.) |
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| Speaker |
Author-1 |
| Date Time |
2006-07-13 11:45:00 |
| Presentation Time |
20 minutes |
| Registration for |
DE |
| Paper # |
DE2006-68 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.149 |
| Page |
pp.107-111 |
| #Pages |
5 |
| Date of Issue |
2006-07-06 (DE) |