Tags / 4 quotes from 3 sources
#relational-database
Graphd - Freebase
Graphd - freebase graph database
graphd is the back-end database which powers Freebase.com. It is a in-house graph database or tuple store which is written in C and runs on Unix-like machines. It processes graph query language (GQL) queries (translated from the MQL queries submitted through the Freebase API)…
Ten Pitfalls Of Enterprise Ontology Management
Importance of clear ontology definitions
Here is a summarized list of five characteristics for great data element definitions: Precise - The definition should use words that have a precise meaning. Try to avoid words that have multiple meanings or multiple word senses. Concise - The definition should use the shortest…
What Is Big Data? An Introduction To The Big Data Landscape.
Different data types suit different databases
Despite the popularity and well understood nature of relational databases, it is not the case that they should always be the destination for data, even when tidied up. Certain data types suit certain classes of database better. For instance, documents encoded as XML are most…
Static schemas versus flexible NoSQL
Even where there's not a radical data type mismatch, a disadvantage of the relational database is the static nature of its schemas. In an agile, exploratory environment, the results of computations will evolve with the detection and extraction of more signals. Semi-structured…