Sciweavers

GIS
2009
ACM
15 years 19 days ago
A Case Study of Using Geographic Cues to Predict Query News Intent
Geographic information retrieval encompasses important tasks including finding the location of a user, and locations relevant to their search queries. Web-based search engines rec...
Ahmed Hassan, Rosie Jones, Fernando Diaz
GIS
2009
ACM
15 years 19 days ago
Spatio-Textual Spreadsheets: Geotagging via Spatial Coherence
The spatio-textual spreadsheet is a conventional spreadsheet where spatial attribute values are specified textually. Techniques are presented to automatically find the textually-s...
Hanan Samet, Jagan Sankaranarayanan, Jon Sperling,...
GIS
2009
ACM
15 years 19 days ago
Sea Floor Bathymetry Trackline Surface Fitting Without Visible Artifacts Using ODETLAP
High quality, artifact-free fitting a bathymetry (sea-floor) surface to very unevenly spaced depth data from ship tracklines is possible with ODETLAP (Overdetermined Laplacian Par...
Tsz-Yam Lau, W. Randolph Franklin, You Li, Zhongyi...
GIS
2009
ACM
15 years 19 days ago
Map Matching and Uncertainty: an Algorithm and Real-World Experiments
A common problem in moving object databases (MOD) is the reconstruction of a trajectory from a trajectory sample (i.e., a finite sequence of time-space points). A typical solution...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
GIS
2009
ACM
15 years 19 days ago
Efficient and Secure Distribution of Massive Geo-Spatial Data
Modern geographic databases can contain a large volume of data that need to be distributed to subscribed customers. The data can be modeled as a cube, where typical dimensions inc...
Hao Yuan, Mikhail J. Atallah
GIS
2009
ACM
15 years 19 days ago
Custom Local Search
Many popular online services provide "local" or "yellow-pages" search, but none of them allow users to customize the search over user-specified data. Instead, ...
Naren Datha, Tanuja Joshi, Joseph Joy, Vibhuti S. ...
GIS
2009
ACM
15 years 19 days ago
An Interactive Approach to Route Search
A route leads from a start location to a final destination and passes through geospatial entities that are picked according to search terms provided by the user. Each entity is pe...
Yaron Kanza, Roy Levin, Eliyahu Safra, Yehoshua Sa...
GIS
2009
ACM
15 years 19 days ago
A Parallel Plane Sweep Algorithm for Multi-Core Systems
A parallel version of the plane sweep algorithm targeted towards the small number of processing cores available on commonly available multi-core systems is presented. Experimental...
Mark McKenney, Tynan McGuire
GIS
2009
ACM
15 years 19 days ago
On-Line Discovery of Flock Patterns in Spatio-Temporal Data
With the recent advancements and wide usage of location detection devices, large quantities of data are collected by GPS and cellular technologies in the form of trajectories. Whi...
Marcos R. Vieira, Petko Bakalov, Vassilis J. Tsotr...
GIS
2009
ACM
15 years 19 days ago
Map-Matching for Low-Sampling-Rate GPS Trajectories
Map-matching is the process of aligning a sequence of observed user positions with the road network on a digital map. It is a fundamental pre-processing step for many applications...
Yin Lou, Chengyang Zhang, Yu Zheng, Xing Xie, Wei ...