Flexible querying and semi-structured data
- Example -

  Here an example of flexible query (boxes 1, 2) :
" Find holiday houses to let which are very closed to the beach,
and should have about 3 sleeps,
and maybe a television "
     Click on the button to launch the query on the irregular collection of SSDs describing holiday houses to let

1. Information to be displayed:     Using the data guide, choose information which you wish to obtain on the house to be retrived: The information list to be displayed is shown in the text area below Commune Number-of-sleeps Detail Beach Audio-Video equipment

2. Selection condition (optional):     Enter one to one the criteria. The connector between criteria is of type "and".     To enter a criteria about an element, choose the importance, then the element itself in the list below as well as the associated operator,        then enter the value(s) if they are required     IMPORTANCE... compulsory (default) extremely important very important important quite desirable desirable rather desirable a bit desirable not really important not important at all ELEMENT... Number-of-persons Pets welcome Departement Area Commune Orientation Vicinity Environment Children-games Walk Distance--Beach Distance--Tennis-courts Distance--Sailing Distance--Horse-driving Distance--Swimming Distance--Canoeing; Distance--Fishing Distance--Ski resorts Distance--Swimming pool Vehicule-rent Level quality House style House state Furnished room Linen Heating-type Audio-Video-Equipment Household-appliances Distance-Railway-station Distance-Shopping Tariffs-low-season Tariffs-school-holiday Tariffs-june Tariffs-july Tariffs-august Tariffs-september Tariffs-Week-end Ground-floor 1st-floor 2nd-floor Outdoor-plan Installations Accessories Detail   OPERATOR... The criteria are shown progressively in the text area below Criteres : (1.0) Number-of-sleeps Is-about 3 (0.3) Audio-Video-equipment Includes "tv" (1.0) Distance--Beach Is-very-close

3. Sort keys (optional) :     Indicate the sort keys one by one while specifying the order (ascendant/descendant) as well as the key type (numeric or alphanumeric):   KEY ... Number-of-persons Pets welcome Department Area Commune Orientation Vicinity Environment Children-games Walk Distance--Beach Distance--Tennis-Court Distance--Sailing Distance--Horse-riding Distance--Swimming Distance--Canoeing Distance--Fishing Distance--Ski-resorts Distance--Swimming-pool Vehicule-Rent Quality-level House style House state Furnished room Linen Heating type Audio-Video Equipment Household Appliances Distance--Railway-station Distance--Shopping Tariffs-low-season Tariffs-school-holiday Tariffs-june Tariffs-july Tariffs-august Tariffs-september Tariffs-Week-end Ground-floor 1st-floor 2nd-floor Outdoor plan Installations Accessories Detail   ORDER ... Sort-ascendant Sort-descendant The sort keys are shown progressively in the text area below Tri :

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Dernière modification le 18/03/2008