abstract draft

gistfile1.txt

The Relational programming model provided by core.logic frees                                                                                                             
developers from the impedance mismatch, and other limitations of                                                                                                          
Object Relational Mapping systems (ORMs).  This allows for massive                                                                                                        
gains in write speed, schema flexibility, avoids the cost of                                                                                                              
priviledging one set of entities or identities within the system, and                                                                                                     
greatly reduces the complexities of modeling time and change.                                                                                                             
                                                                                                                                                                          
As a research project which also needed to deliver "actionable                                                                                                            
intelligence" ASAP, we had to be both a search index/application                                                                                                          
database as well as a data warehouse.  Having one data dictionary                                                                                                         
helps our domain experts write rules for identifying behavior within a                                                                                                    
single analysis event, but also build queries against the full data                                                                                                       
collection.                                                                                                                                                               
                                                                                                                                                                          
The set of questions the experts needed to know about the data was                                                                                                        
ill-defined at the start, and we had to get the basic data in front of                                                                                                    
them before we could see what they wanted next.  The relational model                                                                                                     
handled this evolution well, and let us get a working system up fast.