Semantic search

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Condition

Printout selection

Options

Parameters [+]

limit:

The maximum number of results to return

offset:

The offset of the first result

link:

Show values as links

headers:

Display the headers/property names

mainlabel:

The label to give to the main page name

intro:

The text to display before the query results, if there are any

outro:

The text to display after the query results, if there are any

searchlabel:

Text for continuing the search

default:

The text to display if there are no query results

class:

An additional CSS class to set for the table

transpose:

Display table headers vertically and results horizontally

sep:

The separator between results

Sort options

Delete

Add sorting condition

ResultCodeDebugExtra

To embed this query inline into a wiki page use the code below.

{{#ask: [[Category:Datasets]]
 |?Domain
 |?SamplePlatform
 |?SampleMethod
 |?DataType
 |?Parameters
 |?Periodicity
 |?GeoRange
 |?TimePeriod
 |format=table
 |limit=50
 |offset=50
 |sort=
 |order=asc
 |mainlabel=
}}

Results 51 – 70 previous 50 20 50 100 250 500 next 50

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Query log

{
    "query_string": "[[Category:Datasets]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0070",
    "from_cache": false
}

Debug output SQLStore

ASK Query

[[Category:Datasets]]

SQL Query

SELECT DISTINCT
t0.smw_id AS id,
  t0.smw_title AS t,
  t0.smw_namespace AS ns,
  t0.smw_iw AS iw,
  t0.smw_subobject AS so,
  t0.smw_sortkey AS sortkey, t0.smw_sort
FROM
`smw_object_ids` AS t0
INNER JOIN
`smw_fpt_inst` AS t1 ON t0.smw_id=t1.s_id
WHERE
(t1.o_id=1847)
  AND t0.smw_iw!=':smw'
  AND t0.smw_iw!=':smw-delete'
  AND t0.smw_iw!=':smw-redi'
ORDER BY
t0.smw_sort ASC
LIMIT
55
OFFSET
50

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ref	s_id, o_id, s_id_2, o_id_2	o_id_2	5	const	70	100.00	Using index; Using temporary; Using filesort
1	SIMPLE	t0	eq_ref	PRIMARY, smw_id, smw_iw, smw_iw_2	PRIMARY	4	mediawiki.t1.s_id	1	100.00	Using where

Auxilliary Tables

No auxilliary tables used.

Query Metrics

Query-Size:1
Query-Depth:0

Errors and Warnings

None

	Domain	SamplePlatform	SampleMethod	DataType	Periodicity	GeoRange	TimePeriod
NOAA HMS WFS	Fire	Satellite	RemoteSens	POINT	DAY	NAM	REALTIME
NOAA HMS WMS	Fire	Satellite	RemoteSens	POINT	DAY	NAM	REALTIME
NPRI	Emission	Network	FilterSmp	POINT	YEAR	NAM	HIST
OMI AI G	Aerosol	Satellite	RemoteSens	GRID	DAY	US	REALTIME
OMI AI G OL	Aerosol	Satellite	RemoteSens	GRID	DAY	GLOB	REALTIME
OnEarth JPL	Aerosol	Satellite	RemoteSens	SeqImage	DAY	GLOB	REALTIME
POET Anthro	Emission	Emission	Model	GRID	DAY	GLOB	HIST
QuickScat WindMed	Meteor	Satellite	RemoteSens	SeqImage	DAY	GLOB	REALTIME
RETRO ANTHRO	Emission	Emission	Model	GRID	MONTH	GLOB	HIST
RETRO FIRE AGGR	Emission	Emission	Model	GRID	MONTH	US	FORECAST
RETRO FIRES WCS	Emission	Network	FilterSmp	GRID	MONTH	GLOB	HIST
SCIAMACHYm	Aerosol	Satellite	RemoteSens	SeqImage	MONTH	GLOB	REALTIME
SEAW US	Aerosol	Satellite	RemoteSens	SeqImage	DAY	US	HIST
SMARTFIRE	Fire	Satellite	RemoteSens	POINT	DAY	NAM	REALTIME
SURF MET	Meteor	Network	Point	POINT	HOUR	GLOB	REALTIME
SURF MET WIND	Meteor	Network	Point	POINT	HOUR	GLOB	REALTIME
TOMS AI G	Aerosol	Satellite	RemoteSens	GRID	DAY	GLOB	REALTIME
Test dataset		No Platform	No Method
Test dataset er	Aerosol	No Platform	No Method		HOUR
VIEWS OL	Aerosol	Unknown	RemoteSens	POINT	DAY	US	HIST