* under construction ** 2016 january , 15  
Added:  
> >  CollectionXmatchObscoreUsecase
 
Simple Query by PositionShow me a list of all data that satisfies:
SELECT * FROM ivoa.Obscore WHERE This query could be submitted to a remote TAP service using the curl application as follows (in this example a CADC TAP service is referenced): curl v L d "REQUEST=doQuery&LANG=ADQL&QUERY=select * from ivoa.ObsCore where CONTAINS(POINT('ICRS',16.0,40.0 ),s_region)=1" "http://www.cadc.hia.nrc.gc.ca/caom/sync" More constraints are added in the following usecase (1.3). Query by both Spatial and Spectral AttributesShow me a list of all data that satisfies:
SELECT * FROM ivoa.Obscore A similar query could be submitted to a remote TAP service using the curl application as follows (in this example a CADC TAP service is referenced):
curl v L d "REQUEST=doQuery&LANG=ADQL&QUERY= Query with energy, time, and position constraintsShow me all observations satisfying:
WHERE em_min < 2.48E10 AND em_max > 2.48^{ }E10 AND CONTAINS(POINT('ICRS',16.0,10.0),s_region) = 1 AND t_exptime > 10000 A.1 Discovering ImagesA.1.2. Use case 1.2Let me input a list of RA and DEC coordinates and show me spatially coincident observations satisfying:
It requires two functionalities from the service:
A.1.3. Use case 1.3Show me a list of all observations satisfying:
WHERE dataproduct_type='image' AND s_resolution < 0.3 AND ( (  J band approximated (em_min + em_max)/2 BETWEEN 1.234E6  162E9 AND 1.234E6 + 162E9 AND (em_max  em_min) BETWEEN 0.5 * 162E9 AND 1.5 * 162E9 ) OR (  H band approximated (em_min + em_max)/2 BETWEEN 1.662E6  251E9 AND 1.662E6 + 251E9 AND (em_max  em_min) BETWEEN 0.5 * 251E9 AND 1.5 * 251E9 ) OR (  J band approximated (em_min + em_max)/2 BETWEEN 2.159E6  262E9 AND 2.159E6 + 262E9 AND (em_max – em_min) BETWEEN 0.5 * 262E9 AND 1.5 * 262E9 ) AND s_ra BETWEEN 16*15 AND 17*15 AND s_dec BETWEEN 10 and 11 A.1.4. Use case 1.4Show me a list of all observations that satisfying:
A.1.5. Use case 1.5Show me all data that satisfies:
SELECT * FROM ivoa.Obscore WHERE dataproduct_type='cube' AND calib_level > 1 AND CONTAINS(POINT('ICRS', quasar_ra, quasar_dec), s_region) = 1 A.1.6. Use case 1.6For an input list of RA, DEC, Modified Julian Date (MJD), show me all data that satisfies (LIST=SERVICE REQ)
WHERE dataproduct_type='image' AND CONTAINS(POINT('ICRS',user_ra,user_dec), s_region) = 1 AND  (t_max + t_min)/2 – user_date  < 1 d A.2. Discovering spectral dataA.2.1. Use case 2.1Show me a list of all data that satisfies:
A.2.2. Use case 2.2Show me a list of all data that satisfies:
SELECT * from ivoa.Obscore WHERE dataproduct_type='spectrum' AND em_min < 650E9 AND em_max > 650E9 AND em_res_power > 6500/15. AND s_resolution < 2 AND t_exptime > 3600 A.2.3. Use case 2.3Show me a list of all data that satisfies:
A.3. Discover multidimensional observationsA.3.1. Use case 3.1Show me a list of data with:
A.3.2. Use case 3.2Show me a list of all data that satisfies:
VII. Dec includes +41.000 NB: in this case optional data model fields related to redshift axis can be used using redshift_ucd= spect.DopplerVeloc, for instance. A.3.3. Use case 3.3Show me a list of all data that satisfies:
A.3.4. Use case 3.4Show me a list of all data that satisfies:
VII. Dec includes 5.014722
A.3.5. Use case 3.5Show me a list of all data that satisfies:
A.3.6. Use case 3.6Show me a list of all data that satisfies:
A.3.7. Use case 3.7Show me a list of all data that satisfies:
A.3.8. Use case 3.8Show me a list of all data that satisfies:
A.3.9. Use case 3.9Looking for moving targets:
A.3.10. Use case 3.10Show me a list of all data that satisfies:
A.4. Discovering time seriesA.4.1. Use case 4.1Show me a list of all data which satisfies:
A.4.2. Use case 4.2This usecase is added in ObsCore 1.1 to search for time series against the number of time slots and be sure to have enough samples along the time axis Show me a list of all data which satisfies:
A.4.3. Use case 4.3Show me a list of all data matching a particular event (gamma ray burst) in time interval and space:
A.5. Discovering event listsA.5.1. Use case 5.1Show me a list of all event lists observed for a particular phenomenon with constraints on space and time coverage like:
A.5.2. Use case 5.2Show me a list of all event lists observed in the XMM data collection within the region covered by a particular image of GALEX data collection.

* under construction ** 2016 january , 15Simple Query by PositionShow me a list of all data that satisfies:
SELECT * FROM ivoa.Obscore WHERE This query could be submitted to a remote TAP service using the curl application as follows (in this example a CADC TAP service is referenced): curl v L d "REQUEST=doQuery&LANG=ADQL&QUERY=select * from ivoa.ObsCore where CONTAINS(POINT('ICRS',16.0,40.0 ),s_region)=1" "http://www.cadc.hia.nrc.gc.ca/caom/sync" More constraints are added in the following usecase (1.3). Query by both Spatial and Spectral AttributesShow me a list of all data that satisfies:
SELECT * FROM ivoa.Obscore A similar query could be submitted to a remote TAP service using the curl application as follows (in this example a CADC TAP service is referenced):
curl v L d "REQUEST=doQuery&LANG=ADQL&QUERY= Query with energy, time, and position constraintsShow me all observations satisfying:
WHERE em_min < 2.48E10 AND em_max > 2.48^{ }E10 AND CONTAINS(POINT('ICRS',16.0,10.0),s_region) = 1 AND t_exptime > 10000 A.1 Discovering ImagesA.1.2. Use case 1.2Let me input a list of RA and DEC coordinates and show me spatially coincident observations satisfying:
It requires two functionalities from the service:
A.1.3. Use case 1.3Show me a list of all observations satisfying:
WHERE dataproduct_type='image' AND s_resolution < 0.3 AND ( (  J band approximated (em_min + em_max)/2 BETWEEN 1.234E6  162E9 AND 1.234E6 + 162E9 AND (em_max  em_min) BETWEEN 0.5 * 162E9 AND 1.5 * 162E9 ) OR (  H band approximated (em_min + em_max)/2 BETWEEN 1.662E6  251E9 AND 1.662E6 + 251E9 AND (em_max  em_min) BETWEEN 0.5 * 251E9 AND 1.5 * 251E9 ) OR (  J band approximated (em_min + em_max)/2 BETWEEN 2.159E6  262E9 AND 2.159E6 + 262E9 AND (em_max – em_min) BETWEEN 0.5 * 262E9 AND 1.5 * 262E9 ) AND s_ra BETWEEN 16*15 AND 17*15 AND s_dec BETWEEN 10 and 11 A.1.4. Use case 1.4Show me a list of all observations that satisfying:
A.1.5. Use case 1.5Show me all data that satisfies:
SELECT * FROM ivoa.Obscore WHERE dataproduct_type='cube' AND calib_level > 1 AND CONTAINS(POINT('ICRS', quasar_ra, quasar_dec), s_region) = 1 A.1.6. Use case 1.6For an input list of RA, DEC, Modified Julian Date (MJD), show me all data that satisfies (LIST=SERVICE REQ)
WHERE dataproduct_type='image' AND CONTAINS(POINT('ICRS',user_ra,user_dec), s_region) = 1 AND  (t_max + t_min)/2 – user_date  < 1 d A.2. Discovering spectral dataA.2.1. Use case 2.1Show me a list of all data that satisfies:
A.2.2. Use case 2.2Show me a list of all data that satisfies:
SELECT * from ivoa.Obscore WHERE dataproduct_type='spectrum' AND em_min < 650E9 AND em_max > 650E9 AND em_res_power > 6500/15. AND s_resolution < 2 AND t_exptime > 3600 A.2.3. Use case 2.3Show me a list of all data that satisfies:
A.3. Discover multidimensional observationsA.3.1. Use case 3.1Show me a list of data with:
A.3.2. Use case 3.2Show me a list of all data that satisfies:
VII. Dec includes +41.000 NB: in this case optional data model fields related to redshift axis can be used using redshift_ucd= spect.DopplerVeloc, for instance. A.3.3. Use case 3.3Show me a list of all data that satisfies:
A.3.4. Use case 3.4Show me a list of all data that satisfies:
VII. Dec includes 5.014722
A.3.5. Use case 3.5Show me a list of all data that satisfies:
A.3.6. Use case 3.6Show me a list of all data that satisfies:
A.3.7. Use case 3.7Show me a list of all data that satisfies:
A.3.8. Use case 3.8Show me a list of all data that satisfies:
A.3.9. Use case 3.9Looking for moving targets:
A.3.10. Use case 3.10Show me a list of all data that satisfies:
A.4. Discovering time seriesA.4.1. Use case 4.1Show me a list of all data which satisfies:
A.4.2. Use case 4.2This usecase is added in ObsCore 1.1 to search for time series against the number of time slots and be sure to have enough samples along the time axis Show me a list of all data which satisfies:
A.4.3. Use case 4.3Show me a list of all data matching a particular event (gamma ray burst) in time interval and space:
A.5. Discovering event listsA.5.1. Use case 5.1Show me a list of all event lists observed for a particular phenomenon with constraints on space and time coverage like:
A.5.2. Use case 5.2Show me a list of all event lists observed in the XMM data collection within the region covered by a particular image of GALEX data collection.
