Your ASP.NET Web Forms & MVC search engine

SearchUnit Features

• Unlimited index size

  We do not place a limit on the number of documents you can index.

• Unlimited search queries

  There is no restriction on the number of search queries made by your users.

• Multiple document format indexing

  (Office 97 up, OOXML, ODF, PDF, RTF, TXT, HTML [aspx, html, asp, jsp...], ZIP, MSG)

• High-speed index based searching

  By collecting and storing document data within an index, SearchUnit is able to retrieve information quickly and effectively.

• Open, pure .NET API

  Meet your client’s expectations and your user’s needs by utilizing our open API to implement the search solution you need.

• Reusable administration web application

  Web-based administration of;

  • Indexing
  • Content/Location assignment
  • Configuration
  • Index deletion

• The ASP.NET search engine has an optional Windows Service which can be installed for periodic rebuilds.

• 'Did you mean?' spelling suggestions

  Flexible spelling control checks queries, and includes custom dictionary support for organization acronyms, jargon and names.

• Content & Location categorization

  Documents within the search engine's index can be assigned to location categories and multiple content categories, giving users choice in which sections of the site are searched.

  Includes User Control source code for total flexibility.

• Smart search result summary & keyword highlighting
  
  

  The search result summary is an extract of the original text showing as many of the search keywords as possible. Summary can include multiple extracts from various parts of the document when searched words are not close enough.

• Stemming/Lemmas - Word form variations are searched and (optionally) ranked lower
  
  

  Word variations are (optionally) included in the search - in the example above the search term "downwards" yielded results with the same stem "downward" which were ranked lower (optional through an adjustable factor). Similarly a search for "downward" would yield results with "downwards", etc.

• Complex expression support; phrases, nested groups, partial matching, NOT, OR and AND

  Brackets indicate grouping, "-" indicates a NOT operator, OR indicates OR logic, AND indicates AND logic (implicit when not specified). Groups can be nested to any number of levels, and may contain any legal expressions (phrases, NOT, OR, AND). Wildcards * can be used to indicate partial matches. Phrases as words surrounded by double quotes ".

• AJAX based results, filters, autocomplete and document text preview

  Auto-complete displays suggestions as a user types a search term in the search box control. and complete result text preview inline in the website's search results

• Database/DataSet search

  Import and index rows from databases (MSSQL, Oracle, OLE) or any DataSet.

• Spider crawler

  Automatic link discovery through the web site spider which reads and indexes pages ready for searching.

• Filesystem search

  Document indexing by (optionally) recursive scanning of filesystem folders.

• Templated control
  
  

  Quickly modify layout of search results through templates for; header, footer, no-results, result-item, error-message (for invalid search expressions).

• Extensible and Flexible

  Every customer has their own unique requirements and SearchUnit is flexible and extensible – usually offering multiple implementation options, thanks to its open API and plug-in architecture (all of which is pure .NET).

  For example;

  • maybe your application has a unique way of delivering documents to users, that you want to be searched.
  • or maybe you want to filter out results based on your own logic.
  • or index database records and other meta data but point the results to actual files, or BLOBs.

  These are real world examples that we have helped customers with – let us know your situation and we’ll guide you through it.

• Indexes/crawls password protected websites

  Username and password combinations can be specified for multiple websites

• Completely 'Microsoft Indexing Service' independent

  Some search engines require the Microsoft Indexing Service to operate fully, however SearchUnit requires only .NET to be installed.

• Result DataSource merging

  The SearchResult control optionally works with DataSet objects, which can contain results from any number of resources, such as;

  • SQL database queries
  • XML documents (see included example)
  • Web service results
  • Programmatically generated sets
  • etc.

• Ignore region support

  Multiple blocks can be marked in web-pages as regions not to be indexed, this is most useful with menu's and other blocks that are repeated on many pages throughout the website.

• Unicode and non English language support

  Crawls and indexes pages encoded in most encodings (Unicode, UTF-8, ASCII, Cyrillic, Greek etc.) Page encoding is determined by server response or if not specified by server, in the page meta tags. All UI text's are localizable.
  
  Includes many free spell check dictionaries.

• Compatible with multiple versions of Microsoft ASP.NET

  Fully compatible with Visual Studio 2008 through 2017 and Microsoft ASP.NET 4.x, 3.5. and 2.0.

• Section 508 / AA compliant

  SearchUnit complies with Section 508 and W3C AA. Please view the Voluntary Product Accessibility Template (VPAT) which outlines the specific accessibility-related features.