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Contents of /trunk/projects/semantics/veps/VEP-001.txt

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Revision 5707 - (show annotations)
Fri Dec 6 09:19:55 2019 UTC (18 months, 2 weeks ago) by msdemlei
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Abandoning VEP-001.


1 Superceded-by: VEP-003
2 Vocabulary: http://www.ivoa.net/rdf/datalink/core
3 Author: francois.bonnarel@astro.unistra.fr
4 Date: 2019-10-15
5
6 New Term: associated-dataset
7 Action: Addition
8 Label: Dataset associated to the main item.
9 Description: The dataset pointed by the link is considered associated to the main discovered item.
10 Rationale:
11 This new branch is proposed to accomodate a description of the dataproduct-type pointed by the link target. Associated data to a catalog or a row in a catalog (eg a source or detection) is the main use case. Additional terms will be added in the branch for each specific reelevant dataproduct_type in Obscore. At the time of writing the list of available dataproduct type is the following : image, cube, spectrum, sed, timeseries, visibility, event, measurements.
12
13 New Term: associated-image
14 Action: Addition
15 Label: Image associated to the main item.
16 Description: The 2D image pointed by the link is considered associated to the main discovered item.
17 Relationships: rdfs:subPropertyOf(associated-dataset)
18 Rationale:
19 This new term specifies that the current Associated-Dataset to the main item is an image as defined in the ObsCore 1.1 specification, section 3.3.1
20
21 New Term: associated-cube
22 Action: Addition
23 Label: Cube associated to the main item.
24 Description: The data cube pointed by the link is considered associated to the main discovered item.
25 Relationships: rdfs:subPropertyOf(associated-dataset)
26 Rationale:
27 This new term specifies that the current Associated-Dataset to the main item is a cube as defined in the ObsCore 1.1 specification, section 3.3.1
28
29 New Term: associated-spectrum
30 Action: Addition
31 Label: Spectrum associated to the main item.
32 Description: The spectrum pointed by the link is considered associated to the main discovered item.
33 Relationships: rdfs:subPropertyOf(associated-dataset)
34 Rationale:
35 This new term specifies that the current Associated-Dataset to the main item is a spectrum as defined in the ObsCore 1.1 specification, section 3.3.1
36
37 New Term: associated-sed
38 Action: Addition
39 Label: Sed associated to the main item.
40 Description: The sed pointed by the link is considered associated to the main discovered item.
41 Relationships: rdfs:subPropertyOf(associated-dataset)
42 Rationale:
43 This new term specifies that the current Associated-Dataset to the main item is a sed as defined in the ObsCore 1.1 specification, section 3.3.1
44
45 New Term: associated-visibility
46 Action: Addition
47 Label: Visibility data associated to the main item.
48 Description: The interferometric Visibility dataset pointed by the link is considered associated to the main discovered item.
49 Relationships: rdfs:subPropertyOf(associated-dataset)
50 Rationale:
51 This new term specifies that the current Associated-Dataset to the main item is a visibility as defined in the ObsCore 1.1 specification, section 3.3.1
52
53 New Term: associated-event
54 Action: Addition
55 Label: Event list associated to the main item.
56 Description: The event list pointed by the link is considered associated to the main discovered item.
57 Relationships: rdfs:subPropertyOf(associated-dataSet)
58 Rationale:
59 This new term specifies that the current Associated-Dataset to the main item is an event as defined in the ObsCore 1.1 specification, section 3.3.1
60
61 New Term: associated-measurements
62 Action: Addition
63 Label: Measurement catalogue associated to the main item.
64 Description: The measurements catalogue pointed by the link is considered associated to the main discovered item.
65 Relationships: rdfs:subPropertyOf(associated-dataset)
66 Rationale:
67 This new term specifies that the current Associated-Dataset to the main item is a measueremnts as defined in the ObsCore 1.1 specification, section 3.3.1
68
69 New Term: associated-timeseries
70 Action: Addition
71 Label: Timeseries associated to the main item.
72 Description: The timeseries pointed by the link is considered associated to the main discovered item.
73 Relationships: rdfs:subPropertyOf(associated-dataset)
74 Rationale:
75 This new term specifies that the current Associated-Dataset to the main item is a timeseries as defined in the ObsCore 1.1 specification, section 3.3.1
76
77 New Term: associated-lightcurve
78 Action: Addition
79 Label: Lightcurve associated to the main item.
80 Description: The lightcurve pointed by the link is considered associated to the main discovered item.
81 Relationships: rdfs:subPropertyOf(associated-timeseries)
82 Rationale:
83 This new term specifies that the current Associated-timeseries to the main item is a lightcurve. Lightcurve is a TimeSeries where the dependant axis is any kind of photometric measurement (flux, magnitude, relative flux, detector counts, etc...). In the future lightcurve could be consistent with reserved terms for the Obscore dataproduct_subtype attribute
84
85 New Term: associated-timeseries-spectrum
86 Action: Addition
87 Label: Timeseries of spectra associated to the main item.
88 Description: The timeseries of spectra pointed by the link is considered associated to the main discovered item.
89 Relationships: rdfs:subPropertyOf(associated-timeseries)
90 Rationale:
91 This new term specifies that the current Associated-timeseries to the main item is a timeseries of spectra as defined by the "spĂȘctrum" value as defined in the ObsCore 1.1 specification, section 3.3.1.
92
93 New Term: associated-timeseries-image
94 Action: Addition
95 Label: Timeseries of images associated to the main item.
96 Description: The timeseries of images pointed by the link is considered associated to the main discovered item.
97 Relationships: rdfs:subPropertyOf(Associated-timeseries)
98 Rationale:
99 This new term specifies that the current Associated-timeseries to the main item is a timeseries of images as defined by the "image" value as defined in the ObsCore 1.1 specification, section 3.3.1.
100
101 New Term: associated-radialvelocitycurve
102 Action: Addition
103 Label: timeseries of radialvelocities associated to the main item.
104 Description: The timeseries of radial velocities pointed by the link is considered associated to the main discovered item.
105 Relationships: rdfs:subPropertyOf(associated-timeseries)
106 Rationale:
107 This new term specifies that the current Associated-timeseries to the main item is a timeseries of radial velocities. In such a TimeSeries the dependant axis is any kind of absolute or relative radial velocity. In the future timeseries of radial velocities could be consistent with reserved terms for the Obscore dataproduct_subtype attribute
108
109
110 New Term: associated-timeseries-cube
111 Action: Addition
112 Label: Timeseries of cubes associated to the main item.
113 Description: The timeseries of cubes pointed by the link is considered associated to the main discovered item.
114 Relationships: rdfs:subPropertyOf(associated-timeseries)
115 Rationale:
116 This new term specifies that the current Associated-timeseries to the main item is a timeseries of cubes as defined by the "cube" value as defined in the ObsCore 1.1 specification, section 3.3.1.
117
118
119 Discussion: This proposal was discussed mainly on the DAL list, also in
120 the context of ongoing updates to the datalink standard itself. In
121 http://mail.ivoa.net/pipermail/dal/2019-October/008206.html concern was
122 brought forth that the VEPs contains a large number of terms that may
123 never been used. Also, if we actually wanted to solve the problem
124 tackled here (letting clients figure out where to send the data product
125 linked), we would have about as many terms in several other branches of
126 the datalink vocabulary
127 (http://mail.ivoa.net/pipermail/dal/2019-October/008211.html). Finally,
128 in http://mail.ivoa.net/pipermail/dal/2019-November/008224.html, it was
129 pointed out that the term "associated-data" is somewhat unfortunate, as
130 data products not "associated" in some way probably would not be within
131 a datalink document in the first place.
132
133 It was therefore decided to abandon this VEP and supercede it with
134 VEP-003.

msdemlei@ari.uni-heidelberg.de
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