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检索条件"丛书名=Lecture Notes in Geoinformation and Cartography"

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Place as Location Categories: Learning from Language 13th

Place as Location Categories: Learning from Language

引用

13th International Conference on Spatial Information Theory (COSIT)

作者： Davies, Clare Tenbrink, Thora Univ Winchester Dept Psychol Winchester SO22 4NR Hants England Bangor Univ Sch Linguist & English Language Bangor LL57 2DG Gwynedd Wales

ISBN: (纸本)9783319639468;9783319639451

How do people refer to places in their environment, and to what extent do the underlying spatial concepts correspond to officially defined regions? We exemplify some types of evidence that may help to determine local vernacular place concepts. The output of latent semantic analysis (LSA) on a web-scraped text corpus was compared with mapping and linguistic data from a pilot experiment, to see how localities within the same geographic area tended to be clustered, how far the spatial geography is similarly distorted, and how far participants' verbal protocols revealed a tendency to group places together (and how). Finally, we list some challenges for future triangulation of such data sources, in deriving vernacular place data.

关键词： Place Vernacular geography Latent semantic analysis (LSA) Spatial cognition Spatial language Regions Categorical reasoning

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A Positional Quality Control Test Based on Proportions 21st

A Positional Quality Control Test Based on Proportions

引用

21st AGILE Conference on Geographic Information Science

作者： Javier Ariza-Lopez, Francisco Rodriguez-Avi, Jose Alba-Fernandez, Virtudes Univ Jaen Paraje Las Lagunillas S-N E-23071 Jaen Spain

ISBN: (纸本)9783319782089;9783319782072

This paper presents a new method for positional accuracy quality control of spatial data. This method is valid for 1D, 2D, 3D and nD dimensional data, where data can follow any kind of distribution function. Normality of errors, or any other assumption are not required. The method is an exact statistical hypothesis testing based on multinomial distribution. The proportions of the multinomial distribution are defined by means of several metric tolerances. The proposed statistical test is exact, so the p-value can be derived by exploring a space of solutions and summing up the probabilities of each isolated case of this space. The performance of the test has been analyzed by means of a simulation procedure. The validity and the power of the contrast seem to be good enough. An application example is presented for the 3D case of working with two tolerances. In all cases, H0 is the same, but in the first one, its hypothesis is true, in the second, the true distribution has larger errors than assumed by H0 (it is worse) and, in the third case, the true distribution implies smaller errors than that stated by H0 (it is better in the sense of the error magnitude). In all three cases, the behavior of the proposed method is acceptable.

关键词： Fits and tolerances

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Patterns of Consumption and Connectedness in GIS Web Sources 21st

Patterns of Consumption and Connectedness in GIS Web Sources

引用

21st AGILE Conference on Geographic Information Science

作者： Ballatore, Andrea Scheider, Simon Lemmens, Rob Birkbeck Univ London Dept Geog London England Univ Utrecht Human Geog & Planning Utrecht Netherlands Univ Twente Fac Geoinformat Sci & Earth Observat ITC Enschede Netherlands

ISBN: (纸本)9783319782089;9783319782072

Every day, practitioners, researchers, and students consult the Web to meet their information needs about GIS concepts and tools. How do we improve GIS in terms of conceptual organisation, findability, interoperability and relevance for user needs? So far, efforts have been mainly top-down, overlooking the actual usage of software and tools. In this article, we critically explore the potential of Web science to gain knowledge about tool usage and public interest in GIScience concepts. First, we analyse behavioural data from Google Trends, showing clear patterns in searches for GIS software. Second, we analyse the visits to GIScience-related websites, highlighting the continued dominance of ESRI, but also the rapid emergence of Web-based new tools and services. We then study the views of Wikipedia articles to enable the quantification of methods and tools' popularity. Fourth, we deploy web crawling and network analysis on the ArcGIS documentation to observe the relevance and conceptual associations among tools. Finally, in order to facilitate the study of GIS usage across the Web, we propose a linked-data inventory to identify Web resources related to GI concepts, methods, and tools. This inventory will also enable researchers, practitioners, and students to find what methods are available across software packages, and where to get information about them.

关键词： GIS Geographic information science GIScience GIS operations Web science Google Trends Wikipedia ArcGIS Linked data

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Charting the Geographies of Crowdsourced Information in Greater London 21st

Charting the Geographies of Crowdsourced Information in Grea...

引用

21st AGILE Conference on Geographic Information Science

作者： Ballatore, Andrea De Sabbata, Stefano Univ London Dept Geog London England Univ Leicester Sch Geog Geol & Environm Leicester Leics England

ISBN: (纸本)9783319782089;9783319782072

Crowdsourcing platforms and social media produce distinctive geographies of informational content. The production process is enabled and influenced by a variety of socio-economic and demographic factors, shaping the place representation, i.e., the amount and type of information available in an area. In this study, we explore and explain the geographies of Twitter and Wikipedia in Greater London, highlighting the relationships between the crowdsourced data and the local geodemographic characteristics of the areas where they are located. Through a set of robust regression models on a sample of 1.6M tweets and about 22,000 Wikipedia articles, we identify level of education, presence of people aged 30-44, and property prices as the most important explanatory factors for place representation at the urban scale. To some extent, this confirms the received knowledge of such data being created primarily by relatively wealthy, young, and educated users. However, about half of the variability is left unexplained, suggesting that a broader inclusion of potential factors is necessary.

关键词： Information geography Crowdsourcing Volunteered geographic information Geo-demographics Twitter Wikipedia

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A Personalized Location-Based and Serendipity-Oriented Point of Interest Recommender Assistant Based on Behavioral Patterns 21st

A Personalized Location-Based and Serendipity-Oriented Point...

引用

21st AGILE Conference on Geographic Information Science

作者： Khoshahval, Samira Farnaghi, Mahdi Taleai, Mohammad Mansourian, Ali KN Toosi Univ Technol Fac Geodesy & Geomat Engn Tehran Iran Lund Univ GIS Ctr Dept Phys Geog & Ecosyst Sci Lund Sweden Lund Univ Ctr Middle Eastern Studies Lund Sweden

ISBN: (纸本)9783319782089;9783319782072

The technological evolutions have promoted mobile devices from rudimentary communication facilities to advanced personal assistants. According to the huge amount of accessible data, developing a time-saving and cost-effective method for location-based recommendations in mobile devices has been considered a challenging issue. This paper contributes a state-of-the-art solution for a personalized recommender assistant which suggests both accurate and unexpected point of interests (POIs) to users in each part of the day of the week based on their previously monitored, daily behavioral patterns. The presented approach consists of two steps of extracting the behavioral patterns from users' trajectories and location-based recommendation based on the discovered patterns and user's ratings. The behavioral pattern of the user includes their activity types in different parts of the day of the week, which is monitored via a combination of a stay point detection algorithm and an association rule mining (ARM) method. Having the behavioral patterns, the system exploits two recommendation procedures based on conventional collaborative filtering and K-furthest neighborhood model to recommend typical and serendipitous POIs to the users. The suggested POI list contains not only relevant and precise POIs but also unpredictable and surprising items to the users. To evaluate the system, the values of RMSE of each procedure were computed and compared. Conducted experiments proved the feasibility of the proposed solution.

关键词： Personalized recommender assistant Point of interest (POI) Association rule mining Behavioral pattern Serendipity K-furthest neighborhood

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Categorizing Cognitive Scales of Spatial Information 13th

Categorizing Cognitive Scales of Spatial Information

引用

13th International Conference on Spatial Information Theory (COSIT)

作者： Hervey, Thomas Phillips, Daniel W. Kuhn, Werner Univ Calif Santa Barbara Santa Barbara CA 93106 USA

ISBN: (纸本)9783319639468;9783319639451

We investigate the relations between human cognitive scales and spatial information. To help organize spatial information, particularly around how humans perceive and interact with spaces around them, we explore the intersection of Kuhn's (2012) spatial information taxonomy, and Montello (1993) spatial scale taxonomy. We discuss results and challenges while using this intersection to categorize phenomena from an earthquake case study.

关键词： Scale Cognition Taxonomy GIS

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The Role of Context in the Interpretation of Natural Language Location Descriptions 13th

The Role of Context in the Interpretation of Natural Languag...

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13th International Conference on Spatial Information Theory (COSIT)

作者： Stock, Kristin Hall, Mark Massey Univ Auckland New Zealand Edge Hill Univ Ormskirk England

ISBN: (纸本)9783319639468;9783319639451

Research into methods for automated interpretation of human language descriptions of location has recognized the importance of spatial relations (usually represented by prepositions in English). However, the role of context has been widely acknowledged in natural language processing research and in linguistic studies of spatial language. There are a large number of different aspects of context that may be important in automated interpretation of location descriptions. In this paper, we present a summary of the contextual factors that have been discussed in the literature, and also describe and test a methodology for identifying contextual factors that respondents consider important in the use of specific spatial relations. We combine these sources to present a broad typology of contextual factors in the interpretation of geospatial natural language to set the scene for future research.

关键词： Geospatial Natural language Context Location

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Development of System for Real-Time Collection, Sharing, and Use of Disaster Information 21st

Development of System for Real-Time Collection, Sharing, and...

引用

21st AGILE Conference on Geographic Information Science

作者： Osaragi, Toshihiro Niwa, Ikki Tokyo Inst Technol Sch Environm & Soc Dept Architecture & Bldg Engn Meguro Ku 2-12-1-M1-25 Ookayama Tokyo 1528550 Japan

ISBN: (纸本)9783319782089;9783319782072

In large-scale earthquakes, it is important to quickly collect and utilize disaster information such as building collapse, street blockage, and fire outbreaks to mitigate disasters. In this paper, we develop a Web application for users to gather and share disaster information in real time. With this system, it is possible to not only share disaster information among users, but also to execute a simulation such as a fire. Next, conduct a demonstration experiment by local volunteers and investigate the usefulness and effectiveness of the system that collects disaster information. Furthermore, we analyze delay in sharing information under bandwidth-limited network environment and demonstrate the effectiveness of the system.

关键词： Disaster information Information collection Web application Real time Demonstration experiment

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Cadmus and the Cow: A Digital Narratology of Space in Ovid's Metamorphoses 13th

Cadmus and the Cow: A Digital Narratology of Space in Ovid's...

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13th International Conference on Spatial Information Theory (COSIT)

作者： Viehhauser, Gabriel Kirstein, Robert Barth, Florian Pairamidis, Andreas Univ Stuttgart Dept Digital Humanities Stuttgart Germany Univ Tubingen Class Dept Tubingen Germany

ISBN: (纸本)9783319639468;9783319639451

We apply an interdisciplinary methodology to establish a digital-driven narratology of space on Ovid's Metamorphoses. Two approaches are employed: 1. We highlight the importance of nature in the text by exploring the frequencies of architectural and natural terms. 2. We delve into a single episode of the text (Cadmus) by using a collocation-network-approach that reveals the interrelations between characters and settings. We show that the results can feed an analysis in the light of Lotman's model of space semantics.

关键词： Spatial humanities Narratology Network analysis Classical philology Ovid's metamorphoses

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Building Social Networks in Volunteered Geographic Information Communities: What Contributor Behaviours Reveal About Crowdsourced Data Quality 13th

Building Social Networks in Volunteered Geographic Informati...

引用

13th International Conference on Spatial Information Theory (COSIT)

作者： Quy Thy Truong Touya, Guillaume de Runz, Cyril Univ Paris Est LASTIG COGIT IGN ENSG F-94160 St Mande France Univ Reims CReSTIC Modeco CS 30012 Reims 2 France

ISBN: (纸本)9783319639468;9783319639451

Modelling social interactions in volunteered geographic information projects requires defining what binds contributors together. In order to be as realistic as possible, instead of choosing one social aspect to study, we choose to build a multi-layered social network that contains several types of interaction between VGI contributors. The analysis of such a multigraph should allow the detection of communities and the definition of typical profiles of contributors. A use case on OpenStreetMap illustrates what inferences can be made about contributions based on their authors.

关键词： Social networks Volunteered geographic information Data quality

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