More Library Mashups by Nicole C. Engard

Author:Nicole C. Engard [C. ENGARD, NICOLE]
Language: eng
Format: epub
ISBN: 9781573877107
Publisher: Information Today, Inc.

Examples of Library Mashups

Let’s look at a few examples of mashups designed according to geovisualization and information visualization principles. Because of their thorough conceptual models that adhere to visualization principles, they are referred to as visualizations in this chapter. These mashups were created with Google Maps JavaScript API (developers.google.com/maps/documentation/javascript). Besides maps, the mashups also employ additional representations that are embedded in information windows. Some of these additional representations are Flash-based graphs and charts from FusionCharts (fusioncharts.com); others were developed in D3.js (a JavaScript framework for visualizing documents). The designer used these additional charts to illustrate that other web-based charts can be embedded in information windows in Google Maps (e.g., charts made with Raphael, HTML Canvas, and other JavaScript visualization frameworks). Additional charts and graphs help users tell better stories about data. Besides charts and graphs, the designer has also used an array of interactions. Some of these interactions were developed from examples described in Google Maps JavaScript API documentation, while others were custom-developed.

Each of the mashups described in this section visualizes a collection. Here, a collection refers to a group of documents characterized by thematic cohesiveness (e.g., by topic area, holding institution, type of materials), searchability, and a unique point of entry.21 I am deliberately making a distinction between collections and non-collections to emphasize that the mashups discussed here do not simply visualize books or documents; rather they visualize thematically related documents. One of the mashups visualizes a local history of Ukraine; the other visualizes collections of medical citations retrieved from PubMed.

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