Results 91 to 100 of about 40,280 (129)

Data-centric artificial intelligence and cancer research: construction of a real-world head and neck treatment data repository. [PDF]

open access: yesESMO Real World Data Digit Oncol
Butterworth V   +17 more
europepmc   +1 more source

Utilizing natural language processing to identify cancer-relevant publications at a National Cancer Institute-designated cancer center. [PDF]

open access: yesJAMIA Open
Shae W   +7 more
europepmc   +1 more source

Migrating longitudinal African mental health data from staging to the OMOP common data model within the INSPIRE network datahub. [PDF]

open access: yesFront Psychiatry
Bhattacharjee T   +13 more
europepmc   +1 more source

A deep dive into statistical modeling of RNA splicing QTLs reveals variants that explain neurodegenerative disease. [PDF]

open access: yesAm J Hum Genet
Wang D   +7 more
europepmc   +1 more source

A python workflow definition for computational materials design.

open access: yesDigit Discov
Janssen J   +10 more
europepmc   +1 more source

Null values in SQL

open access: closedSIGMOD Record, 2008
In various writings over the past 20 years, such as [3], Date has pointed out that SQL produces incorrect answers to some queries where a null value is included in a table. In a recent article in the ACM SIGMOD Record, [8], Rubinson states that "Date misinterprets the meaning of his example query" and "SQL returns the correct answer to the query posed".
John Grant
exaly   +3 more sources

NULL-Werte und dreiwertige Logik in SQL

open access: closedInformatik-Fachberichte, 1992
In relationalen Datenbanken ist es ublich, das gewisse Felder „NULL“ sein konnen (vgl. [Date86]). Wir sagen hier bewust nicht „den Wert NULL haben“. NULL kann u.a. bedeuten, das der aktuelle Wert eines Attributs unbekannt ist. Andere Arten von Nullen, wie z.B. „nicht anwendbar“ oder „gibt es nicht“ werden hier nicht behandelt, (vgl.
Günter Matthiessen
exaly   +3 more sources

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