# ConceptSearchClauseBuilder **`class ConceptSearchClauseBuilder`** concept | Run the concept search algorithm on the provided text, or automatically on the overall query terms. This process performs query expansion based on term co-occurrence statistics from the indexed document corpus. **`pydantic model PluginConfig`** Fields - `text (str | None)` **`PluginConfig.plugin_name: ClassVar[str] = 'concept'`** Used to register and reference the plugin within a query. **`field PluginConfig.text: Optional[str] = ''`** Text snippet on which concept search should get applied on