Facettenäkymä

Facettenäkymä, translated to English as "facet view" or "faceted view," is a user interface paradigm commonly used in information retrieval and data exploration. It allows users to refine search results or browse datasets by applying multiple filters, known as facets. These facets typically represent different attributes or categories of the items being displayed. For example, in an e-commerce website, facets might include "brand," "price range," "color," and "size."

The core principle of a facettenäkymä is to provide a dynamic and interactive way for users to narrow down large collections of information. As a user selects a facet or a value within a facet, the displayed results are immediately updated to show only those items that match all selected criteria. This iterative filtering process helps users quickly find specific items or discover relevant information without having to formulate complex search queries.

Facettenäkymä is particularly effective for browsing large catalogs or databases where direct searching might be inefficient or overwhelming. By presenting a hierarchical or categorized breakdown of available options, it guides the user through the data and reveals relationships between different attributes. This approach enhances user experience by making data exploration more intuitive and efficient, leading to faster and more accurate information discovery. The implementation often involves a sidebar or a dedicated section where facets are listed, with checkboxes or clickable links for selecting filter values.