Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other online networks such as the World Wide Web. Systems targeted to augment web-based communities by automatically identifying users with expertise, for example, need to adapt to the underlying interaction dynamics. In th…
The ability to send and retrieve information over the Web using traditional and ubiquitous computing methods has changed the way we work and live. Web portals, as content aggregates, act as gateways to pertinent and up- to-date information. Social networking portals are a recent development, allow- ing a user to create and maintain a network of close friends or business associ- ates for social …
This study examines if Facebook, one of the most popular social network sites among college students in the U.S., is related to attitudes and behaviors that enhance individuals’ social capital. Using data from a random web survey of college students across Texas (n = 2,603), we find positive relationships between intensity of Facebook use and students’ life satisfaction, social trust, civi…
Social networking sites have been rapidly adopted by children and, especially, teenagers and young people world wide, enabling new opportunities for the presentation of the self, learning, construction of a wide circle of relationships, and the management of privacy and intimacy. On the other hand, there are also concerns that social networking increases the likelihood of new risks to the self,…
Make a concerted effort to meet and talk to people who can help advance your career –Established researchers –Program directors –Your contemporaries –People who can provide good technical advice –People who can introduce you to any of the above
The last time Apple updated the Mac operating system—2009’s Snow Leopard release—the most noteworthy changes happened under the hood. That’s not the case with Lion, the next major version of Mac OS X. Apple has gradually pulled back the curtain on a pretty significant shift for the Mac OS, influenced in large part by Apple’s mobile operating system, iOS. Lion’s big changes naturall…
Bluetooth is a technology for short range wireless data and realtime two-way voice transfer providing data rates up to 3 Mb/s. It can be used to connect almost any device to another device. Bluetooth-enabled devices, such as mobile phones, headsets, PCs, laptops, printers, mice, and keyboards, are widely used all over the world. Already in 2006, the one billionth Bluetooth device was shipped, a…
As distance education continues to grow in its popularity, so does the use of social networking. Hindered by concerns associated with privacy and safety, social networking sites (SNSs) are frequently banned from educational settings. The following article presents the implementation of an alternative social networking site in distance education. Findings from this study highlight the benefits…
We present an end-to-end system that extracts a user’s social network and its members’ contact information given the user’s email inbox. The system identifies unique people in email, finds their Web presence, and automatically fills the fields of a contact address book using conditional random fields—a type of probabilistic model well-suited for such information extraction tasks. B…
We think one important reason for this success has been that our book continues to offer a fresh and timely approach to computer networking instruction. We’ve made changes in this fifth edition, but we’ve also kept unchanged what we believe (and the instructors and students who have used our book have confirmed) to be the most important aspects of this book: its top-down approach, its focus…
The present research examined how narcissism is manifested on a social networking Web site (i.e., Facebook.com). Narcissistic personality self-reports were collected from social networking Web page owners. Then their Web pages were coded for both objective and subjective content features. Finally, strangers viewed the Web pages and rated their impression of the owner on agentictraits, communal …
Distance education as a primary means of instruction is expanding significantly at the college and university level. Simultaneously, the growth of social networking sites (SNS) including Facebook, LinkedIn, and MySpace is also rising among today’s college students. An increasing number of higher education instructors are beginning to combine distance education delivery with SNSs. However, …
This study focused on why the act of taking selfies and posting them to the Internet is a factor leading to an increase in narcissistic and selfish behaviors. This study examined whether the Millennial Generation believes the selfie phenomenon is a contributor to the rise in narcissism. A 12-item survey was administered to 93 female college participants. A single open-ended question asked wheth…
There are three different ways to connect or separate words: the hyphen -, the en dash –, a little wider than the hyphen, and the em dash —, wider still. The regular hyphen is easily accessible on any Mac or PC keyboard, whereas the en dash needs the combination option-hyphen on the Mac. The em dash is accessed by pressing option-shift-hyphen on the Mac. The use of these dashes depends on h…
The operating system is responsible for managing the hardware resources in a computer. It provides an abstract model of the computer system to user programs, giving the appearance that each program has full access to the CPU and the entire memory range. Programs that are run by the user cannot touch hardware without calling upon services provided by the operating system. In handling services th…
Microsoft FAST Search Server 2010 for SharePoint (FS4SP) is Microsoft’s flagship enterprise search product and one of the most capable enterprise search platforms available. It provides a feature-rich alternative to the limited out-of-the-box search experience in Microsoft SharePoint 2010 and can be extended to meet complex information retrieval requirements. If your organization is looking f…
When local area networks (LANs) first appeared in the business world, their primary functions were to share files and printers. These are still critical ap- plications for most business networks, but networks are able to provide many other functions as well. Virtually all business owners want to provide their users with access to the Internet and email, but they must be able to do so securely. …