DBpedia-Entity is a standard test collection for entity search over the DBpedia knowledge base. It is meant for evaluating retrieval systems that return a ranked list of entities (DBpedia URIs) in response to a free text user query.
Chaudron is a dataset of more than two million triples that complements DBpedia with physical measures.
Triple Pattern Fragments (TPF) is a Linked Data interface that minimizes server processing, while enabling efficient querying by clients
Sparklis is a query builder in natural language that allows people to explore and query SPARQL endpoints with all the power of SPARQL and without any knowledge of SPARQL.
LODmilla is a DBpedia visualization service. LODmilla aims at visualizing associations in LOD graphs with special linked data functions such as
Note: Marbles is now released on SourceForge at http://marbles.sourceforge.net. Please see the project page for up-to date information; this wiki page is kept for archival purpose only.
Quepy – a python framework to transform natural language questions to queries in a database query language, can be easily customized to different kinds of questions in natural language and database queries.
Yahoo! Content Analysis API – detects entities/concepts, categories, and relationships within unstructured content.
dataTXT semantic text API – dataTXT is a set of semantic APIs to extract meaning and insights from texts in several languages. It's optimized for short texts, such as tweets and other social media.
AlchemyAPI – cloud-based text mining platform provides semantic tagging through a set of natural language processing capabilities including named entity extraction, sentiment analysis, concept tagging, author extract
ImageSnippets™ – an application for creating and editing metadata about images using linked data (structured data) techniques, in beta testing as of this writing, which leverages and builds on the DBpedia data set
Vague Places extractor – experimental tool for extracting area polygons/multipolygons using the name of a place, or simply extract DBpedia points in a WKT format.
WordPress PoolParty Plugin – helps to make WordPress blogs and websites more understandable by linking posts with key terms and key terms with other key terms
DBpedia Spotlight – tool for annotating mentions of DBpedia resources in natural language text, providing capabilities useful for
Entityclassifier.eu – a NER tool for annotating entities in free English, German and Dutch texts. It provides entity spotting, disambiguation, classification and linking with DBpedia and YAGO2S resources.
Sztakipedia – uses DBpedia Spotlight, among other tools to suggest links when editing Wikipedia pages
OpenLink Data Explorer (ODE) – allows Web users to explore the raw data and data relationships that underlie any Web page.
OpenLink Virtuoso built-in SPARQL endpoint, on the DBpedia host instance
DBpedia Query Builder – build your own DBpedia queries (currently under construction and not working)
OpenLink iSPARQL Visual Query Builder – drag-and-drop visual interface for construction of SPARQL queries against DBpedia and/or other data sets
DBpedia Lookup Service - Find DBpedia URIs for keywords
This documentation page might be outdated. Please also check https://github.com/dbpedia/lookup
DBpedia Places – shows DBpedia entities on a map around your position (based on IP address or GPS) or anywhere.
DBpedia Navigator – navigate through DBpedia data (declared offline for some months as of 2010-06-06)
A force-directed graph of music band genres pulled from DBpedia. The Music Genre Map visualizes the relations between today's music genres and their popularity.
SemLens – uses scatter plots for the analysis of DBpedia data and semantic lenses for further exploration (Flash-based)
AboutThisDay.com is a date-based "on this day in history" style search engine of facts like births & deaths of people, events and holidays.
LodLiveproject provides a demonstration of the use of Linked Data standards (RDF, SPARQL) to browse RDF resources. The application aims to spread linked data principles using a simple and friendly interface with reusable techniques.
OOBIAN – provides graphical, textual, and map, and other interfaces through which to explore and work with the DBpedia data set
The Graphity Browser at Semantic Reports – generic Linked Data Browser
Combines graph based visualization and faceted filtering techniques for browsing RDF data. A demo for DBpedia is available at http://gfacet.visualdataweb.org.
On the DBpedia host instance – offers several paths of DBpedia data exploration, starting from Keyword or URI or Label. Click here to know about more.
A geo-temporal search and visualisation engine for DBpedia data.Click here to know about more.
Faceted Wikipedia Search allowed users to ask complex queries, like “Which Rivers flow into the Rhine and are longer than 50 kilometers?” or “Which Skyscrapers in China have more than 50 floors and have been constructed before the year 2000?” against Wikipedia.
The DBpedia DataID vocabulary is a meta-data system for detailed descriptions of datasets and their different manifestations, as well as relations to agents like persons or organizations, in regard to their rights and responsibilities.