DOC-800 | New GraphRAG UI steps

site/content/3.12/data-science/graphrag/web-interface.md

@@ -3,8 +3,7 @@ title: How to use GraphRAG in the ArangoDB Platform web interface
 menuTitle: Web Interface
 weight: 5
 description: >-
- Learn how to create, configure, and run a full GraphRAG workflow in four steps
- using the Platform web interface
+ Learn how to create, configure, and run a full GraphRAG workflow in just a few steps using the Platform web interface
 ---
 {{< tag "ArangoDB Platform" >}}
 
@@ -19,9 +18,10 @@ the ArangoDB team.
 The entire process is organized into sequential steps within a **Project**:
 
 1. Creating the importer service
-2. Uploading your file and exploring the generated Knowledge Graph
-3. Creating the retriever service
-4. Chatting with your Knowledge Graph
+2. Adding data sources
+3. Exploring the generated Knowledge Graph
+4. Creating the retriever service
+5. Chatting with your Knowledge Graph
 
 ## Create a GraphRAG project
 
@@ -35,12 +35,22 @@ To create a new GraphRAG project using the ArangoDB Platform web interface, foll
    a description for your project.
 5. Click the **Create project** button to finalize the creation.
 
+## Project Settings
+
+The **Project Settings** dialog allows you to configure and manage your
+Importer and Retriever services.
+
+You can open the **Project Settings** dialog in two ways:
+- In the **Data Sources** section, click **Add data source** and then click on
+  the **Open project settings** button.
+- In the **Graph** section, click on the gear icon.
+
 ## Configure the Importer service
 
-Configure a service to import, parse, and retrieve all the needed data from a
+Configure a service to import, parse, and extract all the needed data from a
 file. This service uses the LLM API provider and model of your choice.
 
-After clicking on a project name, you are taken to a screen where you can
+After opening the **Project Settings**, you are taken to a dialog where you can
 configure and start a new importer service job. Follow the steps below.
 
 {{< tabs "importer-service" >}}
@@ -52,20 +62,20 @@ configure and start a new importer service job. Follow the steps below.
 3. Enter your **OpenAI API Key**.
 4. Click the **Start importer service** button.
 
-![Configure Importer service using OpenAI](../../../images/graphrag-ui-configure-importer-openai.png) 
+![Configure Importer service using OpenAI](../../../images/graphrag-ui-configure-importer-openai.png)
 {{< /tab >}}
 
 {{< tab "OpenRouter" >}}
 1. Select **OpenRouter** from the **LLM API Provider** dropdown menu.
 2. Select the model you want to use from the **Model** dropdown menu. By default,
-   the service is using **Mistral AI - Mistral Nemo**.
-1. Enter your **OpenAI API Key**.
-2. Enter your **OpenRouter API Key**.
-3. Click the **Start importer service** button.
+   the service uses **Mistral AI - Mistral Nemo**.
+3. Enter your **OpenAI API Key**.
+4. Enter your **OpenRouter API Key**.
+5. Click the **Start importer service** button.
 
 {{< info >}}
-When using the OpenRouter option, the LLM responses are served via OpenRouter
-while OpenAI is used for the embedding model.
+When using OpenRouter, you need both API keys because the LLM responses are served
+via OpenRouter while OpenAI is used for the embedding model.
 {{< /info >}}
 
 ![Configure Importer service using OpenRouter](../../../images/graphrag-ui-configure-importer-openrouter.png)
@@ -88,31 +98,53 @@ service automatically downloads and loads models from the MLflow registry.
 
 See also the [GraphRAG Importer](services/importer.md) service documentation.
 
-## Upload your file
+## Add data source
+
+To add your first data source:
 
-1. Upload a file by dragging and dropping it in the designated upload area.
-   The importer service you previously launched parses and creates the
-   Knowledge Graph automatically.
-2. Enter a file name.
-3. Click the **Start import** button.
+1. In the **Data Sources** section, click the **Add data source** button.
+2. Upload a file by dragging and dropping it in the designated upload area.
+   The importer service you previously configured will automatically parse the file
+   and create the Knowledge Graph.
+3. Enter a descriptive name for your file.
+4. Click the **Start import** button.
 
 {{< info >}}
-You can only import a single file, either in `.md` or `.txt` format.
+Currently, you can import one file at a time in either Markdown (`.md`) or
+plain text (`.txt`) format. Additional files can be added to update the Knowledge Graph.
 {{< /info >}}
 
 ![Upload file in GraphRAG web interface](../../../images/graphrag-ui-upload-file.png)
 
 ## Explore the Knowledge Graph
 
-You can open and explore the Knowledge Graph that has been generated by clicking
-on the **Explore in visualizer** button.
+After your file is processed, you can view and explore the generated Knowledge Graph
+in the **Graph** section.
+
+![Explore Knowledge Graph in GraphRAG web interface](../../../images/graphrag-ui-explore-knowledge-graph.png)
+
+For a more detailed exploration, click the **Explore** button to open the Knowledge Graph in the dedicated Graph Visualizer.
 
 For more information, see the [Graph Visualizer](../../graphs/graph-visualizer.md) documentation.
 
+## Update the Knowledge Graph
+
+Once you have created your initial Knowledge Graph, you can update it by uploading 
+additional files using the same process described in the [Add data source](#add-data-source) section. 
+The importer service will automatically update the existing Knowledge Graph and 
+underlying collections with the new data.
+
+To update your Knowledge Graph:
+
+1. In the **Data Sources** section, click the **Add data source** button again.
+2. Upload a new file by dragging and dropping it in the designated upload area.
+3. The importer service will process the new file and update the existing Knowledge Graph along with the underlying collections.
+
 ## Configure the Retriever service
 
-Creating the retriever service allows you to extract information from
-the generated Knowledge Graph. Follow the steps below to configure the service.
+The retriever service enables you to query and extract information from
+the generated Knowledge Graph. To configure the retriever service, open the 
+**Project Settings** and follow the steps below.
 
 {{< tabs "retriever-service" >}}
 
@@ -134,8 +166,8 @@ the generated Knowledge Graph. Follow the steps below to configure the service.
 4. Click the **Start retriever service** button.
 
 {{< info >}}
-When using the OpenRouter option, the LLM responses are served via OpenRouter
-while OpenAI is used for the embedding model.
+When using OpenRouter, the LLM responses are served via OpenRouter while OpenAI
+is used for the embedding model.
 {{< /info >}}
 
 ![Configure Retriever Service using OpenRouter](../../../images/graphrag-ui-configure-retriever-openrouter.png)