join -t $'\t' -1 1 -2 1 <(wget -q -O - "http://purl.obolibrary.org/obo/go.obo" | awk '$1=="id:" || $1=="name:"' | cut -d ':' -f2- | sed 's/ //' | paste - -  | grep ^GO | sort -t $'\t' -k1,1 ) <(sort input.txt) 2> /dev/null 

Redirecting output to ‘wget-log.5’.
GO:0003676  nucleic acid binding
GO:0003677  DNA binding
GO:0003700  DNA-binding transcription factor activity
GO:0003824  catalytic activity
GO:0005198  structural molecule activity
GO:0005515  protein binding
GO:0005634  nucleus
GO:0006355  regulation of DNA-templated transcription
GO:0006873  intracellular monoatomic ion homeostasis
GO:0006886  intracellular protein transport
GO:0006996  organelle organization
GO:0008308  voltage-gated monoatomic anion channel activity
GO:0015074  DNA integration
GO:0016192  vesicle-mediated transport
GO:0030117  membrane coat
GO:0030154  cell differentiation
GO:0043565  sequence-specific DNA binding
GO:0055085  transmembrane transport

Use the search bar on the footer of Intermine (Which InterMine is for you?) and then select the most appropriate specific tool.

Ontologies are mostly shared in obo format. There are different libraries which lets you explore this data. You can probably find a library in your preferred language. Here is an example in python with obonet to parse the file and networkx to explore.