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dtSearch Products

Instantly Search Terabytes of Text

  • Includes 64-bit Win/Linux versions; 25+ fielded & full-text search options
  • File parsers highlight hits in popular file types (including emails & attachments)
  • Spiders static & dynamic web data; hit-highlighted WYSIWYG displays
  • Optional API supports .NET, C++, Java, SQL, etc.; .NET Spider API
  • "lightning fast"- Redmond Magazine, "covers all data sources"- eWeek, "results in less than a second"- InfoWorld

The dtSearch product line can instantly search terabytes of text across a desktop, network, Internet or Intranet site.

dtSearch products also serve as tools for publishing, with instant text searching, large document collections to Web sites or portable media.

Developers can embed dtSearch's instant searching and file format support into their own applications.

dtSearch - Instantly search terabytes
dtSearch document filters support a broad range of data
  • Supports MS Office through current versions (Word, Excel, PowerPoint, Access), OpenOffice, ZIP, HTML, XML/XSL, PDF and many other formats
  • Supports Exchange, Outlook, Thunderbird and other popular email types, including nested and ZIP attachments
  • Spider supports public and secure, static and dynamic (ASP.NET, SharePoint, CMS, PHP, etc.) web data
  • APIs for SQL-type data, including BLOB data
  • Highlights hits in all supported data types
25+ full-text and fielded data search options
  • Federated searching
  • Special forensics search options
  • Advanced data classification objects
APIs for C++, Java and .NET through current versions
  • Native 64-bit and 32-bit Win / Linux APIs; .NET Spider API
  • Document filters also available for separate licensing

Products include: • dtSearch Web with Spider • dtSearch Engine for Win & .NET • dtSearch Engine for Linux • dtSearch Publish (for portable media) • dtSearch Desktop with Spider • dtSearch Network with Spider

dtSearch Desktop with Spider,
dtSearch Network with Spider

dtSearch Desktop with Spider and dtSearch Network with Spider instantly search popular file types on a PC or a network.

Both products index and search (with highlighted hits) a wide variety of local and network content, including PDF, HTML and XML files; word processor, database, spreadsheet, presentation and similar "Office" files; ZIP files; and email messages (Outlook Express, Outlook, Exchange, Eudora, .MSG and other email formats) along with the full-text of attachments. Through the dtSearch Spider, both applications also support adding Web-based content to a local or networked search.

dtSearch Publish

dtSearch Publish offers easy publishing of an instantly searchable document collection to CD, DVD or other portable media. The product can also mirror an existing Web site on CD/DVD. The resulting CD/DVD application runs with "zero footprint" on the end-user’s computer.

dtSearch Web with Spider

dtSearch Web with Spider quickly publishes a large volume of instantly searchable data to an Internet or Intranet site. Visitors accessing the site can instantly search with hithighlighted display of Webready content (HTML, PDF, XML), including WYSIWYG display of all images, formatting and links. dtSearch Web automatically converts other file types ("Office", Unicode, ZIP, etc.) to HTML for browser display with highlighted hits, making non- Web-based files "Web-ready".

dtSearch Web installs through an easy wizard-based setup. The application offers numerous customisation options, so all aspects of the dtSearch Web display can match the style of the rest of the site.

Operating through dtSearch Web, the Spider can expand the scope of the searchable database beyond a site’s own data to static and dynamic content on third-party sites.

dtSearch Text Retrieval Engine for Win & .NET,
dtSearch Text Retrieval Engine for Linux

The dtSearch Engine lets developers add dtSearch’s builtin file format support and searching to Web-based and other applications. The dtSearch Engine for Linux offers APIs in C++ and Java. The dtSearch Engine for Win & .NET includes sample code and API support for C++, Delphi, Java, and .NET—including C#, VB.NET, ASP.NET and ADO.NET. (See over for special database options for SQL and XML, and other fielded data information.) The dtSearch Engine also includes a .NET Spider API.

dtSearch Spider

The dtSearch Spider embedded in multiple dtSearch products provides integrated searching of remote Web site content, along with local data. In addition to support for the file formats above, the dtSearch Spider can also index and search dynamically generated content, such as ASP/ASP.NET, MS CMS, SharePoint, etc.

dtSearch Features

Over two dozen search options

The dtSearch product line generally offers over two dozen indexed, unindexed, fielded and full-text search options.

dtSearch also offers Unicode support for hundreds of international languages, special forensics options, and advanced database search options.

How dtSearch Works

  • dtSearch can instantly search terabytes of text because it builds a search index that stores the location of words in documents.
  • Indexing is easy—simply select folders or entire drives to index and dtSearch does the rest.
  • dtSearch automatically recognises and supports all popular file formats, and never alters original files.
  • A single index can hold over a terabyte of text (up to billions of documents).
  • dtSearch can also create—and search with a single search request—an unlimited number of indexes.
  • Since you may sometimes want to search files that dtSearch has not indexed, dtSearch also does unindexed as well as "combination" searching.
  • See more details below on file format support and hit-highlighted display.

Basic Search Types

  • Phrase searching finds phrases like: due process of law.
  • Boolean operators like and/or/not can join words and phrases: due process of law and not (equal protection or civil rights).
  • Proximity searching finds a word or phrase within "n" words of another word or phrase: apple pie w/38 peach cobbler.
  • Directed proximity searching finds a word or phrase "n" words before another word or phrase: apple pie pre/38 peach cobbler.
  • Phonic searching finds words that sound alike, like Smythe in a search for Smith.
  • Stemming finds variations on endings, like applies, applied, applying in a search for apply.
  • Numeric range searching finds any number between two numbers, such as between 6 and 36.
  • Macro capabilities make it easy to include frequently used items in a search request.
  • Wildcard support allows ? to hold a single letter place, and * to hold multiple letter places: apple* and not appl?sauce.

Fuzzy Searching

  • Fuzzy searching uses a proprietary algorithm to find search terms even if they are misspelled.
  • Fuzziness adjusts from 0 to 10 so you can fine-tune fuzziness to the level of OCR or typographical errors in your files.
  • A search for alphabet with a fuzziness of 1 would find alphaqet; with a fuzziness of 3, it would find both alphaqet and alpkaqet.
  • Fuzziness is not built into the index, so you can vary fuzziness at the time of each search.

Concept / Synonym / Thesaurus Searching

  • Concept searching lets you look for fast and find quick, speedy, etc.
  • dtSearch offers variable levels of automatic synonym expansion based on a comprehensive semantic network of the English language.
  • You can also add your own thesaurus terms.

Relevancy Ranking and Natural Language Searching

  • dtSearch can sort and instantly re-sort searches by relevancy with respect to number of hits, file name, file date, etc.
  • Natural language algorithms let you enter a "plain English" or unstructured indexed search request.
  • Relevancy ranking in a natural language search is based on the frequency and density of hits in your files.
  • For example, in the search request get me Sam's memo on the 1999 CorpX takeover, if 1999 appeared in 3,000 files, and Sam appeared in only two files, then Sam would get a much higher relevancy rating, taking you straight to the most relevant files.
  • A positional scoring option ranks documents more highly when hits are near the top of a file, or otherwise clustered in a file.
  • Variable term weighting works with both natural language searching and structured search requests to provide additional positive or negative weighting to user-specified terms.
  • Variable term weighting can also apply to document fields.

OCR and Imaging

  • dtSearch supports the PDF "image with hidden text" format, and highlights hits right on the scanned image in this format.
  • dtSearch also supports combined text and image display in HTML and other Web-based formats.
  • dtSearch recommends using fuzzy searching for sifting through possible OCR errors.


Special forensically-oriented features include:

  • Automatic parsing of text segments in large data blocks, such as those recovered through an "undelete" process, from unallocated computer space, or from partially recovered file fragments
  • Language recognition algorithms for detecting text in a variety of languages (Western European, Middle-Eastern, etc.)
  • Automatic recognition of dates, email addresses, and credit card numbers
  • A proprietary tool for converting Outlook and Exchange message stores, including the full-text of all attachments, to .MSG, for convenient access without requiring Outlook and Exchange running.

International Languages

dtSearch includes support for hundreds of international languages.

  • Unicode support built into all dtSearch products allows for indexing and searching of non-English text, including every character set, in hundreds of languages supported by the Unicode standard.
  • Search options that automatically work on text in any language include: fuzzy (adjustable from 0 to 10); natural language with automatic relevancy-ranking; variable term weighting; phrase; boolean (and/or/not); proximity and directed proximity; wildcard; macro; numeric range; and fielded data (alone or combined with full-text searching).

Language Extension Pack

  • The dtSearch product line includes an English noise word list and stemming rules (to find words such as learn, learned, learns, learning, etc. that are linguistically related).
  • dtSearch's UK distributor offers pre-packaged sets of noise word lists and stemming rules covering over 25 European languages.
  • For more information on the Language Extension Pack, please contact dtSearch, or visit www.dtsearch.co.uk.

FindPlus Distributed Searching

Through FindPlus, a single search request can span multiple local and remote locations.

  • For example, a single search request can span multiple indexes residing on a hard drive, a local area network, an Intranet server, and even a publicly-available Web server.
  • The same search request can then return comprehensive search results from all locations, ranking all retrieved files by relevance, and instantly re-sorting, for example, by file date.
  • FindPlus will display all retrieved files with highlighted hits (as well as HTML, XML and PDF links, images and formatting), even if the files reside on remote servers.
  • FindPlus distributed searching uses an XML-based protocol for streaming search results, making it easy for developers to integrate this feature into applications.

Using related technology, the dtSearch Spider embedded in multiple dtSearch products supports indexing with instant searching of combined remote Web site and locally available data.

  • In addition to PDF, HTML, XML, "Office" documents, ZIP repositories, and the like, the dtSearch Spider can also index and search dynamicallygenerated content, such as ASP/ASP.NET, MS CMS and SharePoint.
  • The Spider can follow links vertically within a URL, or horizontally across URLs, to any specified level of depth.
  • The Spider supports public sites, secure content HTTPS sites, password-accessible sites and forms-based authentication.
  • After a search, the Spider provides integrated relevancyranking and display of local and Spidered content, including WYSWYG display with highlighted hits of Web-ready content.

Databases and Fielded Data

  • dtSearch indexes and searches fields in all supported file types, supporting both full-text searching encompassing fields and search requests limited to specific fields.
  • After a search, dtSearch can display field values in search results.
  • dtSearch can also index and search popular database formats, including ODBC support and support for BLOB data.
  • For XML, dtSearch supports hierarchical field structures in XML data, covering both fields and attributes, enabling highly refined nested field queries.
  • For SQL, the dtSearch Engine supports precision fielded data searching through ADO.NET and COM.

Classification and Filters

  • dtSearch developer products include extensive support for adding on-the-fly classification information and other fields to documents during indexing.
  • dtSearch developer products can filter results based on document full-text contents, document fielded data, database content, or data attributes attached during document indexing.
  • Search filter objects allow multiple users with different security classifications to search the same document collection, without having to maintain separate indexes corresponding to each classification level.
  • A single query can include an "exact phrase" full-text end-user search request; second-level Boolean search expressions (such as one or more field or metadata search criteria); and developer-added filtering expressions (such as a filtering expression to filter out documents that do not match a user’s security classification).



For more information please contact the MicroWay sales team: buynow
Head Office
MicroWay Pty Ltd
PO Box 84,
Braeside, Victoria, 3195, Australia
Ph: 1300 553 313
Fax: 1300 132 709
email: sales@microway.com.au
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Sydney Sales Office
MicroWay Pty Ltd
PO Box 1733,
Crows Nest, NSW 1585, Australia
Tel: 1300 553 313
Fax: 1300 132 709
email: sales@microway.com.au
ABN: 56 129 024 825
New Zealand Sales Office
MicroWay Pty Ltd (NZ)
PO Box 912026
Victoria Street West
Auckland 1142, New Zealand
Tel: 0800 450 168
email: sales@microway.co.nz

International: call +61 3 9580 1333, fax +61 3 9580 8995

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