| Presentation | 2009-07-28 Direction-Based Spatial Skyline Queries Xi GUO, Yoshiharu ISHIKAWA, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A location-based service provides a mobile user real-time suggestions by using the spatial information such as his current position and the possible destinations. Traditionally, this service regards the user's position and his possible destinations as points in the Euclidean space and chooses closer points to the query as better destinations. In practice, however, the direction for a destination is an important factor for the user's decision. Therefore, our framework chooses better points considering not only the distance aspect but also the direction aspect. The better points are defined in terms of an extended notion of the skyline concept; no other points can defeat them in both aspects. We propose efficient methods to respond instantaneous and continuous direction-based spatial skyline queries and search for better points in terms of both aspects. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Spatial databases / location-based services / skyline queries / continuous queries / directions |
| Paper # | DE2009-5 |
| Date of Issue |
| Conference Information | |
| Committee | DE |
|---|---|
| Conference Date | 2009/7/21(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Data Engineering (DE) |
|---|---|
| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Direction-Based Spatial Skyline Queries |
| Sub Title (in English) | |
| Keyword(1) | Spatial databases |
| Keyword(2) | location-based services |
| Keyword(3) | skyline queries |
| Keyword(4) | continuous queries |
| Keyword(5) | directions |
| 1st Author's Name | Xi GUO |
| 1st Author's Affiliation | Graduate School of Information Science,Nagoya University() |
| 2nd Author's Name | Yoshiharu ISHIKAWA |
| 2nd Author's Affiliation | Information Technology Center,Nagoya University |
| Date | 2009-07-28 |
| Paper # | DE2009-5 |
| Volume (vol) | vol.109 |
| Number (no) | 153 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |