Search Results - "DIANSHENG GUO"

Flow Mapping and Multivariate Visualization of Large Spatial Interaction Data by Guo, Diansheng

“…Spatial interactions (or flows), such as population migration and disease spread, naturally form a weighted location-to-location network (graph). Such…”
Get full text

A Generalized Radiation Model for Human Mobility: Spatial Scale, Searching Direction and Trip Constraint by Kang, Chaogui, Liu, Yu, Guo, Diansheng, Qin, Kun

“…We generalized the recently introduced "radiation model", as an analog to the generalization of the classic "gravity model", to consolidate its nature of…”
Get full text

Spatial data mining and geographic knowledge discovery—An introduction by Mennis, Jeremy, Guo, Diansheng

“…Voluminous geographic data have been, and continue to be, collected with modern data acquisition techniques such as global positioning systems (GPS),…”
Get full text

Mapping Lexical Innovation on American Social Media by Grieve, Jack, Nini, Andrea, Guo, Diansheng

“…In this paper, we introduce a method for mapping lexical innovation, which we then use to track the origin and spread of new words on American Twitter, based…”
Get full text

Detecting Non-personal and Spam Users on Geo-tagged Twitter Network by Guo, Diansheng, Chen, Chao

“…With the rapid growth and popularity of mobile devices and location‐aware technologies, online social networks such as Twitter have become an important data…”
Get full text

Analysis of big patient mobility data for identifying medical regions, spatio-temporal characteristics and care demands of patients on the move by Koylu, Caglar, Delil, Selman, Guo, Diansheng, Celik, Rahmi Nurhan

“…Patient mobility can be defined as a patient's movement or utilization of a health care service located in a place or region other than the patient's place of…”
Get full text

A Visualization System for Space-Time and Multivariate Patterns (VIS-STAMP) by Guo, D., Chen, J., MacEachren, A.M., Liao, K.

“…The research reported here integrates computational, visual and cartographic methods to develop a geovisual analytic approach for exploring and understanding…”
Get full text

Smoothing locational measures in spatial interaction networks by Koylu, Caglar, Guo, Diansheng

“…•A new approach to smoothing location measures in spatially embedded graphs.•It smoothes the graph around a location and then calculates its graph measure.•It…”
Get full text

Quantifying Animal Trajectories Using Spatial Aggregation and Sequence Analysis: A Case Study of Differentiating Trajectories of Multiple Species by Gao, Peng, Kupfer, John A., Zhu, Xi, Guo, Diansheng

“…The increasing availability of telemetry data with high spatial and temporal resolution promises to greatly advance scientific understandings of the movement…”
Get full text

Identifying functionally connected habitat compartments with a novel regionalization technique by Gao, Peng, Kupfer, John A., Guo, Diansheng, Lei, Ting L.

“…Landscape ecologists have increasingly turned to the use of landscape graphs in which a landscape is represented as a set of nodes (habitat patches) connected…”
Get full text

Mapping family connectedness across space and time by Koylu, Caglar, Guo, Diansheng, Kasakoff, Alice, Adams, John W.

“…Understanding the structure and evolution of family networks embedded in space and time is crucial for various fields such as disaster evacuation planning and…”
Get full text

Origin-Destination Flow Data Smoothing and Mapping by Guo, Diansheng, Zhu, Xi

“…This paper presents a new approach to flow mapping that extracts inherent patterns from massive geographic mobility data and constructs effective visual…”
Get full text

Mapping Large Spatial Flow Data with Hierarchical Clustering by Zhu, Xi, Guo, Diansheng

“…It is challenging to map large spatial flow data due to the problem of occlusion and cluttered display, where hundreds of thousands of flows overlap and…”
Get full text

A novel approach to leveraging social media for rapid flood mapping: a case study of the 2015 South Carolina floods by Li, Zhenlong, Wang, Cuizhen, Emrich, Christopher T., Guo, Diansheng

“…Rapid flood mapping is critical for local authorities and emergency responders to identify areas in need of immediate attention. However, traditional data…”
Get full text

ICEAGE: Interactive clustering and exploration of large and high-dimensional geodata by DIANSHENG GUO, PEUQUET, Donna J, GAHEGAN, Mark

“…Issue Title: Special Issue on Selected Papers from ACMGIS 2002 The unprecedented large size and high dimensionality of existing geographic datasets make the…”
Get full text

Local entropy map: a nonparametric approach to detecting spatially varying multivariate relationships by Guo, Diansheng

“…The relationship between two or more variables may change over the geographic space. The change can be in parameter values (e.g., regression coefficients) or…”
Get full text

Design and evaluation of line symbolizations for origin–destination flow maps by Koylu, Caglar, Guo, Diansheng

“…We present the results of a user study comparing variants of commonly used line symbolizations for directed origin–destination flow maps. Our design and…”
Get full text

Understanding U.S. regional linguistic variation with Twitter data analysis by Huang, Yuan, Guo, Diansheng, Kasakoff, Alice, Grieve, Jack

“…We analyze a Big Data set of geo-tagged tweets for a year (Oct. 2013–Oct. 2014) to understand the regional linguistic variation in the U.S. Prior work on…”
Get full text

Urban event detection with big data of taxi OD trips: A time series decomposition approach by Zhu, Xi, Guo, Diansheng

“…Big urban mobility data, such as taxi trips, cell phone records, and geo‐social media check‐ins, offer great opportunities for analyzing the dynamics, events,…”
Get full text

Automatic Region Building for Spatial Analysis by Guo, Diansheng, Wang, Hu

“…High‐resolution spatial data have become increasingly available with modern data collection techniques and efforts. However, it is often inappropriate to use…”
Get full text