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Location Services Technology and the Internet of Things Chapter 3 Location Services Technology and the Internet of Things hapter 1 introduced the Internet of Things (IoT) environments with IoT technologies. This chapter conceptually. In chapter 2, readers learned of will explore the range of technologies that comprise Ca specific implementation of a Bluetooth low the tool kit for location services. This chapter pro- energy (BLE) approach to building location services vides a foundational introduction to several addi- with recommender features in library book stacks. tional IoT technologies that support location-based The BLE beacon approach is only one among several services, like indoor positioning systems (IPS) with approaches to developing and implementing location mobile technology. services with IoT technology. With the coming matu- ration of IoT technologies, location-based services in libraries will see increased possibility for service inno- Near Field Communications vation. The maturation and uptake by other industries (NFC) and Location Services of IoT-based tools will make additional location-based service innovations possible for library system design- One way that most of the readers of this report will ers. The future development of consumer-facing IoT be familiar with NFC is from the field of mobile tools will have implications for space design in librar- payment technology. Within mobile payments, NFC Library Technology ReportsLibrary Technology ies leading toward hyperconnectivity and contextual- technology has been used to communicate between ized services. a phone and a point-of-sale system, where the con- IoT innovations will encompass technologies such sumer’s mobile phone connects wirelessly to a point- as near field communication (NFC), radio-frequency of-sale system that interfaces with a credit card identification (RFID), and new Wi-Fi standards. Hard- reader. Apple Pay, as one example, is a technology ware for IoT systems will move from being a hobbyist that relies on NFC in order to process payments from concern to a greater mass market and consumer-fac- the proximity of a user’s pay-enabled device. With ing field. Several niche location-based startup compa- regard to location services in libraries, NFC could be nies that leverage sensors within mobile technologies utilized to tell a user when they are near another are helping to drive the maturation of IoT technolo- NFC-enabled appliance or device. We will explore alatechsource.org gies. Advances in mobile technology development later in this section why a user would want to know are also helping to drive IoT systems. These advances their proximity to other users in a public space, but include novel modular phones and tablets. In addition it bears underscoring that an NFC device could be to Estimote’s example from chapter 2, other startup another user’s mobile phone. companies are developing compelling apps and app Within special libraries and museums, an NFC software development kits (SDKs) in order to leverage appliance could be connected to a special collection’s January 2017 new location-based technology. installation. These types of NFC-enabled installations In this chapter, the ways in which mobile tech- are referred to in the IoT literature as “smart” objects. nology can be paired with maturing IoT technol- Smart objects and smart devices are foundational in ogy will be detailed, so that examples like those the IoT literature since “most of the things connected built in chapter 2 can be implemented in library to the IoT are actually simple devices that are often 17 The Internet of Things: Mobile Technology and Location Services in Libraries Jim Hahn referred to as smart devices. The devices themselves While NFC is a technology that could power an aren’t necessarily smart in and of themselves, but app like Study Buddy, it is not the only piece of tech- become smart when joined together with other con- nology utilized for this service. An app such as this nected devices.”1 For the purposes of this text, we requires several sets of technologies to come together are, by design, referencing the ability and capability in order to function. In the case of the Study Buddy of Internet-connected mobile devices that connect or app, for example, the app would need to have access communicate with smart devices. to campus locations, be able to manage sessions, and Specific services for special collections in librar- include some type of messaging feature. All of these ies and museums include receiving information when would need some degree of data persistence, which a browsing special collections in buildings—for exam- database like MySQL could provide. MySQL has been ple, NFC-enabled smart objects or smart displays. a popular technology component in the past for a vari- Special collections are especially suited for NFC inter- ety of library data persistence needs. IoT applications actions. Consider that users of museums are gener- also make use of MySQL software. In the work MySQL ally visiting multiple content-rich installations about for the Internet of Things, the author described a pro- which they may desire additional information. While cess whereby a MySQL server can be installed in a museums have offered innovative new ways to engage Raspberry Pi node.4 The author noted that one of the with objects—like iPhone tours and other mobile advantages of this system is that “the low cost Rasp- audio-based information systems—NFC can provide berry Pi with an attached USB hard drive makes for a additional information about the object. In newer very small-footprint database server that you can put mobile devices that run the Android operating system, just about anywhere. This is great because IoT solu- NFC can be used as a data transfer tool. Therefore, a tions, by nature and often by necessity, need to be museum could offer a user the functionality to down- small and low cost.”5 The Raspberry Pi is a favorite load additional information about a resource, such as among hobbyists for the functionality it enables to archival photos, archival video, or some other inter- accomplishing IoT projects. For those unfamiliar with active content using NFC. This location-based ser- it, a Raspberry Pi is “a small, inexpensive personal vice is content-rich, a feature that might set a display computer. Although it lacks the capacity for memory apart from other traditional displays and museum expansion and can’t accommodate on-board devices programming. such as CD, DVD, and hard drives, it has everything The Museum of London is doing exactly this type a simple personal computer requires.”6 There are sev- of programming.2 The Museum of London NFC imple- eral other hardware types that are used in IoT devel- mentation allowed users to receive more informa- opment by hobbyists; these include Arduino boards, tion about an installation downloaded to their device, among others, but generally fall into the microcon- offering novel ways to explore and interact. The NFC troller set of technology solutions.7 implementation may also be a faster data transfer and interaction tool when compared to Bluetooth or QR codes for downloading information. Radio-Frequency Identification Moving to the more academic services perspective (RFID) Tags and Location Service referenced earlier in this section, consider those indi- viduals wishing to form study groups in the library. With the incorporation of passive Radio-Frequency Traditional group finders in the library did not uti- Identification (RFID) sensors used as security devices January 2017 lize IoT technology. However, new mobile affordances within libraries, the profession may already have a make finding individuals in a library location easier. foothold into new IoT location-based services. Most This is a desirable service based on previous research items in libraries that are secured by RFID are secured into undergraduate students’ expectations and needs. at the physical item level, something that industries The idea for a “Study Buddy” app surfaced during a outside of academia and public service functionality campus-wide mobile app design competition at the are planning to adopt. As Greengard wrote regarding alatechsource.org 3 University of Illinois. The Study Buddy app design automation and RFID in his work Internet of Things: team was made up of student app designers respond- “Inventory and asset tracking technology, often incor- ing to real student needs of finding people in the porating RFID, identify physical assets or follow them library who were in the same courses. One of the through a supply chain. For more than a decade, problems this addressed for students was the desire retailers have used these systems at the pallet or case to know who was in their course and studying in the level to identify the location of goods in transit. How- library—which was sometimes difficult for students to ever, retailers and others are now taking RFID to an know in large lecture sessions where opportunities to item level. This makes it possible to build far more meet others are not possible. Therefore, an NFC-type robust systems and introduce entirely new features 8 Library Technology ReportsLibrary Technology ad hoc group formation tool is a desirable service for and capabilities.” Greengard noted that there may students. also be implications in terms of value-added services 18 The Internet of Things: Mobile Technology and Location Services in Libraries Jim Hahn that are developed over the technology with “RFID- The efforts of applied researchers within libraries enabled badges, smartphone apps using GPS and loca- has also contributed to advancing the functional- tion aware services, and other tools, mak[ing] it pos- ity of such services. Several early innovators in this sible to know where a person is at any instant. The area included libraries in Finland and the University technology is widely used in secure facilities and labs, of Illinois Library, which used Wi-Fi access points to including government offices and military bases with determine location within a library location.12 These strict authorization or access controls.”9 Note that services were initially designed to support student Greengard’s portrait of the world is similar to several wayfinding to books.
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