Knowledge graph is an enterprise-wide integrated database based on graph technologies. The term was widely introduced by Gartner's Hype Cycle of Emerging Technologies, 2018. Use the 'google-knowledge-graph' tag, if you mean Google Knowledge Graph solely.
Questions tagged [knowledge-graph]
181 questions
0
votes
1 answer
Building and extending a Knowledge Graph with entity extraction while Neo4j for my database
My goal is to build an automated Knowledge Graph. I have decided to use Neo4j as my database. I am intending to load a json file from my local directory to Neo4j. The data I will be using are the yelp datasets(the json files are quite large).
I have…
Hi_there
- 41
- 4
0
votes
3 answers
How to write a function that transforms a triple ['a','b','c'] into a single string "a b c ."
I need some help with a homework assignment that I've been given for this coming Monday. I'm a beginner at programming and task is for me to write a function that transforms a string such as ['a','b','c'] into something like "a b c."
I've been…
Yesch
- 13
- 2
0
votes
0 answers
How to fetch triples in a knowledge graph by subject in Tensorflow?
I am working on a knowledge graph dataset, which has triples of the format , i.e., triples of subject, predicate and object.
Say, the knowledge graph looks as follows:
X = np.array([['a', 'y', 'b'],
['b', 'y', 'a'],
['a',…
snelzb
- 157
- 3
- 16
0
votes
1 answer
How to construct my own Datasets for TransE Algorithm in a specific knowledge graph
now I am building a knowledge graph of the Chinese stock and want to build a news recommendation system. And I want to use TransE algorithm for the entity embedding and relationship embedding. But I do not have the dataset and don't know clearly…
0
votes
1 answer
How to get all categories of an entity from DBpedia?
I am trying to build a dataset from DBpedia, but I am not super familiar with SPARQL. I think I need to do two things:
Given an entity, I want to find all the dbc (categories) to which it belongs. E.g. in the page for Effiel Tower, you can see that…
dgcr924
- 3
- 4
0
votes
0 answers
Can fuseki be config to use two different type of dataset to created a unioned dataset?
I'm thinking that to create two dataset, one is in memory, which frequently changed, another is tdb, which is read-only, can be created as one dataset, but in the back, which in memory remain in memory, and which in tdb remain in tdb. If not, can…
Gao
- 912
- 6
- 16
0
votes
0 answers
Google Knowledge API not returning Details of Search Query but just displaying a placeholder
When I ran the search Query for "Apple Inc" I am not getting the "detailedDescription" field.
The query :https://kgsearch.googleapis.com/v1/entities:search?query=Apple+Inc&key=AIzaSyD_6bOqsyts7K1NOUarvvY7CxQ5DzqZI6A&limit=1&indent=True
The…
Gru
- 817
- 13
- 20
0
votes
0 answers
Knowledge graph entities visualization
I am completely new to Knowledge graphs. I have a ttl file representing RDF data and I was doing a simple online user interface.
As soon as a user clicks on an entity I would like him to go to a new page and show the associated objects.
This is how…
Martha
- 111
- 7
0
votes
0 answers
How to query wikidata by name (fuzzysearch) and third-parties ID
I wish to leverage on wikidata (and learning a bit Sparql if necessary) for entity matching, and want to:
query an entity by its name AND by name of a list of properties (both fuzzysearch) => so to be sure in case of disambiguations! (CATS as cats,…
user305883
- 1,635
- 2
- 24
- 48
0
votes
1 answer
Inverse property
I have noticed that most properties have an inverse property such as:
http://vocab.getty.edu/ontology#ulan1511_child_of
the inverse is:
http://vocab.getty.edu/ontology#ulan1512_parent_of
Is there a way to automatically create that property ex: Alice…
Martha
- 111
- 7
-1
votes
1 answer
What is the best approach for large scale Paths and Funnels Analysis?
We have a big dataset of user actions on our internal apps. I am trying to create an algorithm for Paths & Funnels analytics which will take parameters for Paths (i.e. Start and End point) and a defined step of actions for Funnel. What is the best…
db21
- 3
- 2
-1
votes
1 answer
Knowledge Graph for TIme-Series Data
Would storing time series data in a Knowledge Graph be a good idea ? What could be the benefits of doing so ?
Shelly
- 9
- 2
-1
votes
1 answer
Ontop Plugin in Protege 5.5.0 create graph using database data
I connected the database in protege through Ontop Plugin and created Mapping from Ontop Mappings / Mapping Manager
Now I am creating a graph using that mapping from Ontop Mapping but I m not able to use database table values.
However, I created a…
-1
votes
2 answers
synchronizing wikibase and neo4j
recently I want to use wikibase as my knowledgebase and neo4j as knowledge graph, which gives me the ability to inferring on my knowledgebase. so I need to synchronizing wikibase and neo4j data and schema. How can I reach this goal ? is there any…
Reza
- 33
- 5
-2
votes
1 answer
How to populate local instance of Wikibase with some selected data from Wikidata
I set up a local instance of wikibase following this guide.
Now at http://localhost:8282 I can access a SPARQL interface which look very much like https://query.wikidata.org/ – good.
However, there seems to be no "preinstalled" data in my local…
cknoll
- 2,130
- 4
- 18
- 34