For instance, imagine typing in “Who starred in the film Casablanca?” The search engine would respond with “Humphrey Bogart and Ingrid Bergman.”
Try asking a more nuanced question, such as “What do Americans think of universal health care?” A search engine will create a report indicating trends in opinion based on what has been posted to the Web.
Search engines may eventually be used to conduct polling and even help sort fact from fiction, said Meng, who is helping to make such possibilities a reality, both through his research and as president of a company called Webscalers.
The way Meng sees it, big search engines such as Google and Yahoo are fundamentally flawed. The Web has two parts: the surface Web and the deep Web. The surface Web is made up of perhaps 60 billion pages. The deep Web, at some 900 billion pages, is about 15 times larger.
Google, which relies on a “crawler” to examine pages and catalog them for future searches, can search about 20 billion pages. Web crawlers follow links to reach pages and often miss content that isn’t linked to any other page or is in some way “hidden.”
Meng, along with researchers at the University of Illinois at Chicago and the University of Louisiana at Lafayette, has helped pioneer large-scale metasearch-engine technology that harnesses the power of small search engines to come up with results that are more accurate and more complete.
“Most of the pages on the deep Web aren’t directly ‘crawlable.’ We want to connect to small search engines and reach the deep Web,” he said. “That’s the idea. Many people have the misconception that Google can search everything, and if it’s not there it doesn’t exist. But we should be able to retrieve many times more than what Google can search.”
Not only can a metasearch engine probe deeper, it can also offer the latest information.
“In principle,” Meng said, “small guys are much better able to maintain the freshness of their data. Google has a program to ‘crawl’ all over the world. Depending on when the crawler has last visited your server, there’s a delay of days or weeks before a new page will show up in that search. We can get fresher results.”The concept is not new. In fact, the first metasearch engine was built in 1994.
The Web has millions of search engines at businesses, universities, newspapers and other organizations. Since 1997, and with continued funding from the National Science Foundation, Meng and his collaborators have found ways to run queries across multiple search engines and sort through the results.
Webscalers is based in the Start-Up Suite at Binghamton University’s Innovative Technologies Complex, which is home to several young companies that have their roots in faculty inventions.
“If the Web keeps on growing, a company like Google may run out of resources to crawl all of those pages,” said Vijay V. Raghavan, vice president of Webscalers and a faculty member at the University of Louisiana at Lafayette. “We won’t have that problem. We will scale much better.”
Webscalers’ technology could be useful for large organizations with many divisions. For example, Webscalers has developed a prototype that would allow a search of all 64 campuses in the State University of New York system as well as SUNY’s central administration.
“People can use it to find collaborators,” Meng said. “It could also help prospective students find programs they’re interested in.”
The technology could be adapted to large companies or even the government, Meng said.
Challenges for large-scale metasearch engines include determining which search engines are the best for a given query, automating the interaction with search engines as well as organizing the search results.
Meng hopes to build a grand metasearch engine one day that would integrate all of the 1 million small search engines into a single system. “There are still a lot of significant challenges in creating a system of such magnitude,” he said, “but I am optimistic that such a metasearch engine can be built.”Try out the concept online
• Webscalers also offers MySearchView, a system that allows any user to create his or her own metasearch engine just by checking off a few options at www.mysearchview.com
Stanford researchers create new special-purpose computer that may someday save us billions
21.10.2016 | Stanford University
New 3-D wiring technique brings scalable quantum computers closer to reality
19.10.2016 | University of Waterloo
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...
'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
14.10.2016 | Event News
14.10.2016 | Event News
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24.10.2016 | Power and Electrical Engineering
24.10.2016 | Life Sciences
24.10.2016 | Life Sciences