The Internet has changed dramatically, from a collection of static enterprise Web pages to an instantly interactive Web. A revolution is imminent and will bring about a shift in usage patterns and economic models. The driving factor behind this is a new class of user-friendly, task-specific electronics that are easy to create, and devices that analyze web information and get the information they need quickly. In other words, devices can be optimized for the environment in which they are used, resulting in innovative products and services that are generally referred to as Contextual Web.
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The reason for the rise of such new products and services is the combination of the necessary off-the-shelf technology and the lower entry barriers to Internet-related software and services. In the fierce competition, companies that start with technology are constantly participating in the continuous evolution of Web-based services in the fierce competition, and attract users, but many companies are accustomed to free access to the Web because of user groups. Data, unable to generate income sources and fail. Adding a hardware component (information appliance) enables a complete product experience and makes consumers feel that they are value for money.
Consumer becomes a participant
During the initial Internet boom, information was typically obtained by reading a web page or downloading a file, and the content was provided by the institution, company, or individual running the given website. The user enjoys a one-way service and obtains ready-made information.
The emergence of interactive, participatory features that were available to a large number of users a few years ago marked a major shift to Web 2.0. From this point on, users can communicate, create and share content in two-way on a web page. Typical examples of user-driven Web sites include YouTube, Facebook, MySpace, Wikipedia, Flickr, and Digg. In the past few years, the Web has dramatically changed the way people connect with family, friends, and colleagues because of the increased interactive features.
Although the amount of data from different sources is increasing, users continue to work in the “walled gardenâ€. The network term “walled garden†refers to the islands of applications and information. For example, data provided to social network Facebook is generally isolated from data provided to other social networking sites or professional websites. Users manage each site separately, log in to private data, provide different "friends" groups, and access only one site's data at a time.
Efforts to unify high-wall quarantine information through the API are being limited by the service provider's business model because they want to control the look and feel of the user interface's portal to generate advertising revenue. A more ingenious solution is to place advertisements slightly more prominently in the middle of the content, but the fundamental competition for limited consumer attention actually creates a barrier between consumers and the most valuable information for them.
At present, it is technically possible to realize the free sharing of valuable data between users who are also content creators. OpenStreetMap.org is an example that allows consumers to update maps using GPS logs and their web browser's interactive sessions. Over time, the data it generates can provide a valuable resource without the need to spread the entire cost burden to any individual or institution.
Information appliances can help consumers contribute to Web data on the one hand, and enable consumers to make full use of the data on the Web. The focus of this device is on the user experience, which accelerates the creation of valuable data into the information services provided.
Semantic Web
The Semantic Web is a fundamental effort to dismantle the walls of the “walled garden†and supports the simultaneous use of all information. Today, individuals can access web pages and quickly interpret their content to determine if they have information of interest. When looking for general information, many people don't patiently search each Web site on a search engine, but just look at the initial results. Since only the earliest results are seen, the probability of consumers finding a website that meets their needs is limited. This situation can now be avoided because the basic technology already provided allows the computer to search the entire Web for predetermined user-specific information.
Ideally, the next important step is to have the network run as a large-scale application that can access a variety of text, images, videos, and other information without location restrictions. This is the ultimate "dream" of the Semantic Web (also known as Web 3.0), where everything on the Web is stored as if it were stored in a huge database. In this vision, specialized search engines, electronic devices, or appliances not only understand all content across all Web sites, but also analyze and present all of the information disseminated on the Web in a customized, user-friendly manner.
By putting all Internet content into the Semantic Web framework, you can let applications understand how to extract information using database entries, and even use access control to help users troubleshoot the many simple tasks of cutting and copying information. When a customer syncs and posts your photos on a social web site such as MySpace, Facebook, or Flickr, all eligible recipients receive notifications and data as needed without the need to use a specific service. And these photos don't require manual click downloads because they integrate the corresponding photo management application technology.
It is worth mentioning that the Semantic Web itself is not an application or a physical device; it is what is expressed through the adoption of an evolving set of specifications. It helps people and devices find and use information on the Web, but there must be a common vocabulary between the repository and the data extraction hardware or software. Only by using consistent vocabulary can you search for unlimited resources to help information consumers—even machines focus on important information without having to think about what source or type of material it is.
General vocabulary
So why is the vision of the Semantic Web still to be realized? The most daunting task is to allow Web publishers and developers of information-consuming applications or devices to agree on the types of data being shared and how to verify the recipients of those data.
The problem of general vocabulary is gradually recognized. In current HTML-based web files, the way to express information for machine reading is limited. To further improve efficiency, a scheme called Resource Description Framework Attribute (RDFa) was designed, which is characterized by the ability to publish information in one step, thus eliminating the two-step operation. With RDFa, custom vocabulary provides machine-readable data in a web file.
The RDFa solution is already running. For example, Yahoo recently introduced the SearchMonkey toolset, which developers can use to create custom methods for extracting and presenting data through web pages.
With the help of RDFa, Yahoo SearchMonkey understands a variety of different vocabulary, including calendar events, contacts, addresses, locations, reviews, friends, comprehensive updates, and resumes. In addition, in order to enhance the visual appearance of search results, SearchMonkey can also help Yahoo! Search finds more detailed content, such as the need to visit job search and social networking sites one by one to find many CVs with RDFa experience around you. By using SearchMonkey, developers and website owners can use structured data to make Yahoo! Search's results more useful and visually appealing, resulting in greater relevant traffic to their websites.
The generic vocabulary should not contain just data, but should also include ways to verify the recipient. O Auth is a protocol that an application can grant access to a user without having to bind to a particular service provider. With this third-party verification scheme, there is no need to log in separately for each service used. Unlike other scenarios, OAuth provides users with the appropriate control over which machines are specifically queried to verify identity and authorization.
While the Semantic Web, specifications such as RDFa, practical vocabulary, and third-party verification schemes such as OAuth have combined to herald a glorious outlook, there are still many gaps in turning the vision into reality. To implement a Semantic Web solution, it takes a lot of work and time to recode the Web page to make it compatible with RDFa. Without a common vocabulary, a more serious fundamental problem is that the Semantic Web concept does not give Web publishers enough enthusiasm to allow them to share their valuable content. This involves a fundamental incentive, economic incentives.
Contextual web
The economic impetus for developing the Semantic Web comes from another way of collecting and propagating information, the Contextual Web. Its extension to the Semantic Web consists of hardware and software that address availability requirements in a specific use case environment. The Semantic Web standard still applies to interoperability, but has been extended in a sense. The goal is to develop information appliances that combine Web services with devices to access and generate information in a user-friendly manner.
The problem of value extraction by the Semantic Web (that is, allowing RDFa information to add value to the data held by the website while simplifying data extraction while filtering out supportive advertising) can be overcome in a variety of ways through the contextual web. As suggested earlier, the ad is best placed in the middle of the content, even as a product placement, or directly in the source material.
The key to achieving this vision is to add dedicated hardware and use open standards. While the current use of the Internet is still centered on PCs, and to some extent around other general-purpose devices such as PDAs or mobile phones, this new vision shifts the center of activity to a whole new class of consumer electronics. To achieve information sharing, two important requirements must be met: network connectivity and storage. Although these do not have to be bundled with a PC, they need to be implemented in a convenient appliance for a specific purpose. Users will continue to pay for connections and storage, but with Contextual Web, they will use a completely new payment method.
Contextual Web is a combination of three elements: devices, information, and business models, all built on top of the Web interface. Dedicated appliances are designed to perform very specific tasks, allowing consumers to press a few buttons or select several menu options without having to log in to the Web in the traditional way. It is worth mentioning that in addition to collecting user input and providing results, the machine will automatically perform all required tasks, which can significantly improve the overall user experience.
With Contextual Web, portals no longer have to shut out other data sources because they can fully stimulate hardware revenue. Their portals are not only accessible via the Web, but will also be an advertisement for their hardware, providing a richer and more efficient interface.
Existing services that do not conform to the Contextual Web Extension will continue to operate without introducing economic constraints to the buyers of the contextual Web hardware. However, businesses that do not extend their interfaces will not be as popular as those that are actively optimized for the contextual web.
New ways to collect and present information
This vision will result in a new class of consumer devices specifically for specific applications and ultimately a simple, convenient user experience. For example, a recipe tablet might give the chef a menu of choices for appetizers, main dishes, or desserts, then list some ingredients, and eventually search a large number of recipe sites on the web, and only show those sites that meet the given criteria. It won't be just a link to the corresponding web, but it can directly display the recipe itself. This browser-style appliance knows "I am a recipe tablet, I only need recipe information." This device can in turn show you where you can buy something different or show where you need it. In order to be able to be displayed in a list, the store must ensure that the content on its web page is machine-readable, providing a real economic incentive for its inclusion in the Semantic Web.
Let's talk about wireless devices, such as mountain hiking GPS devices. It identifies the location of the hiker, extracts surrounding hiking maps, provides directions advice and comments from previous hikers, and displays nearby cottages, restaurants on the hilltop or recent public transportation, or the electrical developer believes it can be the device Other relevant information that brings market appeal. All of this information is readily available on the Web, but requires multiple searches. However, mountain hikers using the device can access this information directly with a few clicks.
In addition, you can talk about devices that target the market for a particular web site. Soon consumers will be able to buy a digital photo frame labeled "Flickr support." With just a few touchscreen selections, the photo frame can search Flickr and other web sites that contain photos, download photos to the photo frame's local storage based on the menu selection, and start displaying the content. Advanced Digital Photo Frames may further use GPS-collected data to provide a place to take a photo and overlay the map path on the photo.
License management
Licensing standards are very important when distributing information in a machine-readable format. The way people behave is changing, and the concept of privacy is very different from the past. The society is working hard to solve the privacy problem on the Internet, but the data that users want to keep private is often public information. For example, if you took a family portrait, what rights do people in the background have? Can I develop a facial recognition software to identify the location of an unknown person, when it was taken, and who is with it when posting this information on the Web?
The ultimate consumer wants to control their data, not the Web business that controls the data. Now, sometimes users are required to provide personal information for web services. But if you can choose, the user will choose not to provide private information. Third-party verification programs are needed when consumers want to confirm who they are connecting through social networking sites.
Conclusion
To develop this conceptual Web, developers must address a range of issues, including: What computing capabilities and storage do these new devices require? What operating system will they run? How do they get a network connection? What language does the device use to interact with multiple businesses? What economic framework can make it acceptable to consumers?
However, the development costs of these new systems can be reduced by using standard web technologies built on existing platforms and hardware and modules. A hardware/software platform that can browse the Web for a specific purpose will be an ideal development platform. While the connectivity, storage, and tools necessary to launch the concept of web application and device development are now available, the biggest problem today is that regardless of their level of web knowledge, there must be an economy that makes this feature attractive to a variety of consumer groups. Mode and user experience.
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