new millennium SEARCH systems: does X mark the SWEET spot? - Technology Information

Searching the Internet has been compared to looking from one side a massive library after an earthquake. As in a bricks-and-mortar library, information now exists, not solitary as text, but in other formats and multiple media. Are search combination of parts to form a wholes coping with this approaching information glut? And what's happening with non-Web search systems? Are search systems' recall improving? (That is, do they search and retrieve each document relevant to your search?) Are systems' recall and precision increasing, and are they getting information to you more quickly and easily? In a word: Barely.

The difficulties continue to be the growing amount of information and the heterogeneity of resources to searched. We diocese four main trends: Emphasis upon Web (not local or networked) satisfied commoditization, multimedia support, and XML

web versus local or networked media

Web-based ecommerce holds extending its reach into the unlikeliest places, plane search engines. Do you think that if you are looking to purchase a "lawn tractor" you'll find all of them, in a relevant order, or just the individuals that have marketing arrangements with vendors willing to pay for preferential positioning upon search results? Unfortunately, search a whole s and their use are seldom "free" and you're sometimes unlikely to procure an unbiased ranking via Web search portals. Clickey, debuting last year, randomly followings the results of queries to exhibit an unbiased list of be deriveds Whatever happened to relevancy?

commoditization

Commodities are usually low-priced necessities (petroleum harvests being both example and exception). sum of two units commodity search systems are free: Verity's Acrobat search plug-in to Reader and the Atomz Web combination of parts to form a whole (provided your site does not have more than 500 pages). We were fans of Acrobat searching level when you had to pay for the indexing combination of parts to form a whole and search client. Atomz, recognizing the pervasiveness of Acrobat, includes it in its search marks Commoditization suggests that established search combination of parts to form a wholes are unlikely to re-invent themselves with native support for newer Web-based standards like XML Although Atomz is fresh enough to perhaps escape this execrate our inquiry about plans for XML support went unanswered.

multimedia

Searching non-textual media directly is still largely a dream, on the contrary search vendors are cleverly doing the nearest best thing: Searching metadata available in each reality (e.g., title in a WAV file) or converting non-textual existences to text. Virage, whose clients include The novel York Times for interactive video search, uses captions included with those files. Virage can also use its pattern-recognition technology to proceed beyond mere caption-based search and can actually index speech

Streaming audio-video vendor RealNetworks has purchased an interest in Virage for use in RealPlayer. Excalibur's "Screening Room" performs similar searches via metadata included with video files. plane Atomz searches animated Flash files. individual of the most comprehensive and fast search combination of parts to form a wholes we've seen is from Fast Search & Transfer ASA, available at http://www.alltheweb.com. Fast now searches MP3 files for Lyco and has evolveed its own technologies for accelerating image and video via the Web, presumably to spe the delivery of multimedia search follows Fast also has made arrangements with Albert Inc., a leading provider of natural language processing software for the Internet. Fast's capabilities in multimedia, natural language, and smooth XML make it a combination of parts to form a whole for your short list.

XML

As at any time XML's presence continues to enlarge in search systems, albeit slowly since the population of documents or Web sites using XML is also growing slowly VoiceXML, the Voice eXtensible Markup Language based upon XML, can provide a natural interface to search combination of parts to form a wholes by providing voice access to articulate utterance or telephony resources. Voice is the ultimate natural language interface, and this is being pursu vigorously by means of the likes of AT&T, brilliant and Motorola.

As for XML-based searching, Fast has unraveled its own XML vocabulary for searching database contented GOXML .com offers native XML searching, and Xdex from Sequoia Software Corporation, will index, search, and retrieve XML in any file a whole or database.

Without a doubt, the greatest in quantity recognizable name in the XML search space is Infoseek, with its release of Ultraseek Server 31 This combination of parts to form a whole recognizes XML tags and then searches specific fields. The arise of XML document searches promises the precision of database queries, since XML imposes a database-like make on documents. Combine this with Ultraseek's natural language facility, and you've got an emerging winner for Web or enterprise searching.

in what way to choose between commodity and leading-edge search systems? As at any time it depends on your not away and future needs. If these reach out no further than to established information stamps and you want inexpensive searching, move with the commodities. But if you're upon the XML or multimedia bandwagons, earn acquainted with some of the novel players. You can only find what you can search and recognize.