Category Lucene

Angular search with ASP.NET Core and Elasticsearch

This article shows how a website search could be implemented using Angular, ASP.NET Core and Elasticsearch. Most users expect autocomplete and a flexible search like some of known search websites. When the user enters a char in the search input field, an autocomplete using a shingle token filter with a terms aggregation used to suggest […]

Angular autocomplete with ASP.NET Core and Elasticsearch

This article shows how autocomplete could be implemented in Angular using ASP.NET Core MVC as a data service. The API uses Elasticsearch to query the data requests. ng2-completer is used to implement the Angular autocomplete functionality. Code: 2017.02.10: Updated to VS2017, Angular 2.4.6 and webpack 2.2.1 2017.01.07: Updated to csproj, webpack 2.2.0-rc.3, angular 2.4.1 […]

Creating an Angular Component for Plotly

This article shows how the Plotly javascript library can be used inside an Angular 2 Component. The Angular 2 component can then be used anywhere inside an application using only the Angular Component selector. The data used for the chart is provided in an ASP.NET Core MVC application using Elasticsearch. Code: 2017.02.07: Updated Updated […]

Using Elasticsearch with ASP.NET Core 1.0

This article shows how to use Elasticsearch with ASP.NET Core 1.0, dnxcore or dnx451. ElasticsearchCrud ASP.NET Core 1.0 RTM version is used for the Elasticsearch data access. ElasticsearchCrud supports netcoreapp1.0 and .NET with Elasticsearch 2.3.1. By supporting dnxcore50, the Elasticsearch API can now be run on windows, linux or a mac. 2016.06.30: Updated to ASP.NET […]

Visualizing Elasticsearch Watcher events using ASP.NET Core 1.0, SignalR and Angular

This article shows how to display Elasticsearch Watcher events in an Angular UI using SignalR. The Elasticsearch Watcher events are sent to a MVC 6 controller in an ASP.NET Core 1.0 application. The action method in the controller handles the watcher events and sends the data to the Angular UI using SignalR and the SignalR […]

Search Queries and Filters with ElasticsearchCRUD

This article demonstrates how to do searches with ElasticsearchCRUD. The API provides a search model which can be used with the search API from Elasticsearch. You can search both sync/async and also provide you own JSON string or use the search model. Lots of examples can be found here: Other Tutorials: Part 1: ElasticsearchCRUD […]

Elasticsearch Synonym Analyzer using ElasticsearchCRUD

This article shows how to setup and use a custom analyzer in Elasticsearch using ElasticsearchCRUD. An analyzer with a custom Synonym Token Filter is created and added to the index. If you search for any of the synonyms, you will find all the hits for all the possible texts. Code: Other Tutorials: Part 1: […]