Our API directory now includes 111 semantic APIs. The newest is the RACAI Linguistic API. The most popular, in terms of mashups, is the MusicBrainz API. We list 29 MusicBrainz mashups. Below you’ll find some more stats from the directory, including the entire list of semantic APIs.
In terms of the technical details, REST and XML lead the way. There are 86 semantic REST APIs and 18 semantic SOAP APIs. Our directory lists 67 semantic XML APIs and 59 semantic JSON APIs.
The most common tags within semantic are 33 tools semantic APIs, 26 search semantic APIs and 15 text semantic APIs.
On the mashup side, we list 56 semantic mashups. We named RDFaCE as mashup of the day in July.
For reference, here is a list of all 111 semantic APIs.
30 Digits Web Extractor API: Semantic web extraction tool
Alchemy API: Semantic text and data dection and extraction
AlchemyAPI Keyword and Term Extraction API: Text analysis and extraction tool
AlchemyAPI Language Detection API: Language detection and analysis tool
AlchemyAPI Text Categorization API: Text analysis and categorization tool
Amplify API: Content analysis service
Ask AMEE API: Natural language query service
BeliefNetworks API: Semantic Intelligence, Site recommendations service
Biosemantics JANE API: Journal and author name service
Bueda API: Semantic analysis for user tags
Calais API: Semantic data search and extraction service
ClearForest Semantic Web Services1 API: Natural language processing tools
Coginov API: Information interpretation and analysis service
ComplexityIntelligence Named Entity Recognition API: Text analysis and extraction tool
Crystal Semantics Content Categorization API: Content categorization services
Cyc API: Semantic meaning service
Data.gov.uk API: Public government database
DataSift API: Real-Time Social Data Mining
Daum Context Keyword API: Contextual keyword extraction service
DBpedia API: Structured query interface to Wikipedia
DBpedia Spotlight API: Semantic Text Annotation and Disambiguation
Diffbot Article API: News article text extraction tool
Dydra API: Cloud-based RDF store
EBI SBO API: Ontology for computational modeling of systems biology
EBI Whatizit API: Molecular biology term identification and reference linking
eCoComa Convert API: Various text conversion services
Enrycher API: Text analysis and keyword generation service
Evri API: Recommendations and semantic search service
Extractiv API: Semantic text extraction service
GEMET API: Multi-language thesaurus management service
GetGlue API: Social networking for entertainment service
gnTEAM Full Text API: Text editing and bioinformatics data retrieval services
Googe Refine ReconciliationService API: Semantic linking service
Hakia API: Semantic search engine
hbookmark API: Real-time semantic bookmarking via Twitter
Influence Explorer Text API: Textual analysis tool
Ingesture API: Light-weight social messaging service
iPlant Semantic Web HTTP API: Botanical linked data/semantic web data service
kikin EasySearch API: Embedded search service
Kudos Flockworks API: Semantic text analysis service
Lexaurus API: Vocabulary management service
LTU Engine/ON Demand API: Image matching and search
Lymbix Sentiment Analysis API: Sentiment analysis service
Maiana API: Topic Maps Browser and Editor
Meaningtool API: Semantic meaning service
MetaGlance API: Metadata Generation Tool
MusicBrainz API: Music metadata community service
Mutalyzer API: Checks variant sequence nomenclature for correctness
NaCTeM Termine API: Text mining service
NBIC Peregrine API: Term recognition and tagging service
O'Reilly Product Metadata Interface API: Book and publishing industry metadata interface
Ookaboo API: Creative Commons photo search service
OpenDover API: Semantic tagging webservice
Openly Local API: Government information tracking service
OpinionCrawl Sentiment Analysis API: Web sentiment analysis
Ping the Semantic Web API: Semantic web standards service
PopCV Semantic API: application processing service
PredictiveIntent IntentPredictionServer API: Behavior profiling and filtering service
Primal Semantics API: Related idea semantic service
Purifyr API: Web content extraction service
RACAI Linguistic API: Language identification, translation, and processing services
Roistr API: Semantic Relevance Engine
Saffron Sierra API: Natural intelligence database
SalsaDev API: Semantic search and text analytics service
Saplo Text Analysis API: Text Analysis Tool
Sapo Semantic Lists API: Semantic word lists service
Säsongmat API: Swedish-language seasonal food information service
Scan & Target API: Digital conversations intelligence provider
Seevl API: Music discovery service
Semantic Contextual Advertising API: Contextual ad matching
Semantic Engines Semantic API: Semantic analysis of documents or web pages
SemanticHacker API: Semantic discovery service
SemanticWire API: Semantic news reader service
SemantiNet Knowledge Graph API: Web Data Query Service
Sensebot API: Semantic search service
Sholarometer API: Scholarly resource search service
Simple Semantic Web Architecture and Protocol API: Botanical semantic web conversion service
Sindice API: Semantic data search and extraction service
SISSVoc API: Interoperable spatial information service
smartRealm SNAP API: Social network analysis tool
Some Murrays Website Summaries API: Web site parsing tool
SPIN RDF API: SPARQL query processing and translation service
Strongsteam API: Artificial intelligence tools
Subj3ct API: Semantic Web subject identity resolution service
Summarity API: Web page text summarization tool
SuperTweet API: Twitter analysis, metadata, and monetization services
Swoogle API: Semantic data search
Syllabs API: Symantic text analysis service
T-ma-tic API: Semantic meaning and connections service
target API: Semantic targeting and personalization service
Text-Processing.com API: Text Processing Service
tldr.it API: Content Extraction & Summarization
Topics.io API: Online content aggregation service
True Knowledge API: General question and answers service
TrustYou Matching API: Website content matching tool
TrustYou Semantic API: Semantic Analysis Tool
TweetSentiments API: Sentiment analysis for Twitter service
UMBEL API: Semantic structure service
URL Classifier API: Semantic web page categorization service
VeryRelated Mind Maps Keyword API: Keywords generation service
Watson API: Semantic web gateway
WebKnox API: Entity and fact extraction tool
WebLib Polymeta API: Federated search service
Wikimeta API: Semantic tagging and content annotation service
Wolfram Alpha API: Computational knowledge and search engine
Yahoo Content Analysis API: Semantic relevance service
Yahoo Geo Location API: Geolocation service for words and phrases
Yebol API: Semantic search engine
Yolink API: Semantic search
Yummly API: Semantic recipe search platform
Zemanta API: Blog authoring extension services
