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Social and Behavioral Sciences Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Social and Behavioral Sciences
Geoannotator: A Collaborative Semi-Automatic Platform For Constructing Geo-Annotated Text Corpora, Morteza Karimzadeh, Alan M. Maceachren
Geoannotator: A Collaborative Semi-Automatic Platform For Constructing Geo-Annotated Text Corpora, Morteza Karimzadeh, Alan M. Maceachren
Purdue University Libraries Open Access Publishing Fund
Ground-truth datasets are essential for the training and evaluation of any automated algorithm. As such, gold-standard annotated corpora underlie most advances in natural language processing (NLP). However, only a few relatively small (geo-)annotated datasets are available for geoparsing, i.e., the automatic recognition and geolocation of place references in unstructured text. The creation of geoparsing corpora that include both the recognition of place names in text and matching of those names to toponyms in a geographic gazetteer (a process we call geo-annotation), is a laborious, time-consuming and expensive task. The field lacks efficient geo-annotation tools to support corpus building and lacks …
Evaluation Of Web Gis Functionality In Academic Libraries, Ningning Kong, Tao Zhang, Ilana Stonebraker
Evaluation Of Web Gis Functionality In Academic Libraries, Ningning Kong, Tao Zhang, Ilana Stonebraker
Libraries Faculty and Staff Scholarship and Research
The rise of web-based GIS resources has expanded the scale and scope of spatial information seeking in most, if not all, academic libraries. Even without formal GIS training, users can search for spatial information, create customized maps, as well as perform simple spatial analysis. However, few systematic evaluations have been conducted to summarize common web GIS functionalities as GIS moving from traditional desktop applications to the web. In this study, we evaluated and assessed the major functionalities of web GIS applications and their potential value for information discovery and access, using six most popular applications in the academic libraries. In …
Using Historic Maps From The Congressional Serial Set And Nineteenth Century Collections Online, Bert Chapman
Using Historic Maps From The Congressional Serial Set And Nineteenth Century Collections Online, Bert Chapman
Libraries Faculty and Staff Creative Materials
Historic maps can be used to document all kinds of history: political, military, economic, business, scientific, religious, cultural, genealogy, diplomatic etc. Databases such as ProQuest Congressional and Nineteenth Century Collections Online (NCCO) offer many ways to help users study the past through maps.
Using Census Bureau Data For Current And Historical Gis Research, Bert Chapman
Using Census Bureau Data For Current And Historical Gis Research, Bert Chapman
Libraries Faculty and Staff Presentations
Provides examples of how geographic information system (GIS) data can be used to conduct historical and contemporary research using Census Bureau data and mapping and other resources. Such data and mapping can enhance understanding of historical and contemporary subjects in a multidisciplinary variety of topics.
Common Metrics For Web-Based Mapping Applications In Academic Libraries, Ningning Kong, Tao Zhang, Ilana Stonebraker
Common Metrics For Web-Based Mapping Applications In Academic Libraries, Ningning Kong, Tao Zhang, Ilana Stonebraker
Libraries Faculty and Staff Scholarship and Research
Purpose – This study aims to establish common metrics for web-based mapping applications to facilitate user decision making and enhance information providers’ product design.
Design/methodology/approach – The metrics were developed from a combination of literature review and case studies. From the literature review, we identified three major areas of assessment for web-based mapping applications. We then studied six online applications to refine the metrics.
Findings – Our results suggest that web-based mapping applications can be evaluated from three major aspects: data content, GIS functionality, and usability. We have developed detailed measures for each factor through our evaluation of the six …
The Microsoft Geospatial Library, Michael Kallay
The Microsoft Geospatial Library, Michael Kallay
2011 Symposium on Data-Driven Approaches to Droughts
In SQL Server 2008, Microsoft introduced support for geospatial data, with a rich set of spatial queries and constructions, in both Cartesian and geodetic coordinates. Most of this functionality is also available as an independent (free download) .NET library. This talk will focus on this library, touching on the differences in functionality between its TSQL and C# interfaces.
Lower Tropospheric Temperature Variability Over The Usa: A Gis Approach, Souleymane Fall, Dev Niyogi, Gilbert L. Rochon
Lower Tropospheric Temperature Variability Over The Usa: A Gis Approach, Souleymane Fall, Dev Niyogi, Gilbert L. Rochon
GIS Day
We use the high resolution North American Regional Analysis (NARR) dataset to build for the United States a Temperature Change Index (TCI) based on four contributing variables derived from the layer-averaged temperature and lapse rate of the 1000mb - 700mb layer (near-surface to 3000 meters) for the 1979-2008 period. The analysis uses Geographic Information Systems (GIS) methods to identify distinct regional patterns based on aggregate temperature trends and variability scores. The resulting index allows us to identify and compare regions that experience high (low) temperature trends and variability that are referred to as hot spots (cold spots). The upper Midwest …