Name: GroupDocs.Search
Author: Aspose

GroupDocs.Search v24.12.0 — nugetz

Create index on disk or in memory: The search index can be stored on disk or entirely in memory to speed up its operation.
Character replacement during indexing: Can be used to convert all text to lowercase characters or to remove diacritics from text.
Specifying a type for each character: Different types of characters are processed and indexed in different ways.
Custom text extractors: Possibility of implementing an extractor of any document format in addition to those supplied out of the box.
Removing documents from index: Ability to remove documents from the index.
Document attributes: This is a special feature designed for marking indexed documents with text labels without the need for re-indexing.
Document filtering during indexing: The ability to filter documents for indexing by various file properties, as well as combine such filters with different logic.
Document renaming: Renaming indexed documents without the need for reindexing.
Extraction in separate process: Data for indexing can be extracted from documents in a separate process.
Separate data extraction: Possibility to separate the operations of extracting data from a document and adding the extracted data to the index.
Indexing additional fields: Additional fields can be added to each indexed document in addition to those already in the document file itself.
Indexing from different sources: Documents can be indexed from different sources: file, stream, structure.
Indexing metadata of documents: It is possible to index document content and metadata together or separately.
Indexing password protected documents: Indexing password-protected documents with password transfer in various ways.
Indexing with stop words: Stop words are frequently used words that do not carry a semantic meaning and can be removed from an index to reduce its size.
Merge indexes: Merging indexes to improve search performance.
OCR support: Ability to connect an external module for optical character recognition on images, either separate or embedded in documents.
Index optimization: Optimization increases search performance in the index.
Storing text of indexed documents: Accelerates text generation with search results highlighting.
Text file encoding detection: Automatically detects encoding of a text file.
Update index: This operation is used to reindex documents that have been changed, deleted or added to indexed folders.
Index scaling: Scaling the index becomes necessary when the number of indexed documents increases significantly.

string indexFolder = @"c:/MyIndex/";
Index index = new Index(indexFolder);

string documentsFolder = @"c:/MyDocuments/";
index.Add(documentsFolder);

string query = "Einstein";
SearchResult result = index.Search(query);

if (result.DocumentCount > 0)
{
    FoundDocument document = result.GetFoundDocument(0);
    OutputAdapter outputAdapter = new FileOutputAdapter(OutputFormat.Html, @"c:\Highlighted.html");
    DocumentHighlighter highlighter = new DocumentHighlighter(outputAdapter);
    index.Highlight(document, highlighter);
}

string indexFolder = @"c:\MyIndex\";
string documentsFolder = @"c:\MyDocuments\";
string query = "Deoxyribonucleic";

// Creating an index in the specified folder
Index index = new Index(indexFolder);

// Indexing documents from the specified folder
index.Add(documentsFolder);

// Creating the fuzzy search algorithm
SearchOptions options = new SearchOptions();
options.FuzzySearch.Enabled = true;
options.FuzzySearch.FuzzyAlgorithm = new TableDiscreteFunction(2);

// Search in index
SearchResult result = index.Search(query, options);

string indexFolder = @"c:\MyIndex\";
string documentsFolder = @"c:\MyDocuments\";

// Creating an index in the specified folder
Index index = new Index(indexFolder);

// Indexing documents from the specified folder
index.Add(documentsFolder);

// Enabling search for word forms
SearchOptions options = new SearchOptions();
options.UseWordFormsSearch = true;

// Search in the index
SearchResult result = index.Search("relative", options);

// The following words can be found:
// relative
// relatives
// relatively

string indexFolder = @"c:\MyIndex";
string documentFolder = @"c:\MyDocuments";

// Creating an index
Index index = new Index(indexFolder);

// Setting the image indexing options
IndexingOptions indexingOptions = new IndexingOptions();
indexingOptions.ImageIndexingOptions.EnabledForContainerItemImages = true;
indexingOptions.ImageIndexingOptions.EnabledForEmbeddedImages = true;
indexingOptions.ImageIndexingOptions.EnabledForSeparateImages = true;

// Indexing documents in a document folder
index.Add(documentFolder, indexingOptions);

// Setting the image search options
ImageSearchOptions imageSearchOptions = new ImageSearchOptions();
imageSearchOptions.HashDifferences = 10;
imageSearchOptions.MaxResultCount = 100;
imageSearchOptions.SearchDocumentFilter =
    SearchDocumentFilter.CreateFileExtension(".zip", ".png", ".jpg");

// Creating a reference image for search
SearchImage searchImage = SearchImage.Create(@"c:\MyDocuments\image.png");

// Search in the index
ImageSearchResult result = index.Search(searchImage, imageSearchOptions);

Aspose/GroupDocs.Searchv24.12.0

Get Started

Readme

Advanced Document Search & Indexing .NET API

Supported Document Formats

Supported Features

Supported Search Types

Getting Started

1. Create an index

2. Add files to the index

3. Search in the index

4. Highlight search results

Fuzzy search

Search for different word forms

Reverse image search

Tags