Features
Sedue supports the following features:
Full-text Search
- Basic Features
- Full-text search based on keywords (complete without any leaks)
- Boolean search operators (“and”, “or”, “not”)
- Normalize search target documents and queries
- Filter search results according to meta information
- Generate snippets (highlight area around search keywords)
- Support indexing method
- Inverted file
- N-gram
- Suffix Arrays
- Compressed Suffix Arrays
- Scoring/Sorting function
- Scoring and sorting based on user specified meta information
- Multiple sorting conditions
- Scoring (tf-idf) based on keyword frequency
- Scoring (BM25) based on document length and keyword frequency
- Scoring based on spaces between words
- Add/Customize scoring algorithm according to a user defined script
- Search navigation
- Drill down function
- Synonym expansion using the included synonym dictionary
- Use user defined dictionaries
- “Did you mean” function (display suggestion for misspelled/alternative keyword) (option)
- Suggest function (display keywords while the keyword is being entered) (option)
- Associative search function (Display related keywords) (option)
Recommendations
- Recommend related documents
- Extract related documents
- Display related keywords
- Specify keywords not to be associated
- Use negative words
- Specify keywords using user defined synonym dictionaries
- Collaborative filtering
- Recommendations using user profile and history information
Administrative Functions
- Import data and manage documents
- Register/Delete/Update/Add text files
- Register/Delete/Update/Add XML documents
- Immediately apply registered information to the index (option)
- Adjust search results and retrieval method
- Search request via HTTP
- Retrieve search results in XML/JSON/JSONP
- Paging of search results
- Retrieve desired search results using a template
- Customize full-text search
- Adjust scoring parameters
- Configure/Upload user defined scripts
- Compare search results before and after parameters are set
- Specify number of characters in search targets
- Register/Edit user defined dictionaries
- Retrieve system status and statistics
System Configuration
- System Configuration
- Distributed processing
- Fault tolerance
- Dynamic addition of nodes
- Rolling updates
- Installer
