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:places]]
 |?Modification date
 |format=table
 |limit=20
 |offset=50
 |sort=Modification date
 |order=desc
 |mainlabel=Article
}}

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

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Query log

{
    "query_string": "[[Category:places]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.1599",
    "from_cache": false
}

Debug output SQLStore

ASK Query

[[Category:places]]

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, t4.o_sortkey
FROM
`smw_object_ids` AS t0
INNER JOIN
(`smw_fpt_inst` AS t1
INNER JOIN
`t2` AS t2 ON t1.o_id=t2.id) ON t0.smw_id=t1.s_id
INNER JOIN
`smw_fpt_mdat` AS t4 ON t0.smw_id=t4.s_id
WHERE
t0.smw_iw!=':smw'
  AND t0.smw_iw!=':smw-delete'
  AND t0.smw_iw!=':smw-redi'
ORDER BY
t4.o_sortkey DESC
LIMIT
25
OFFSET
50

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	ALL	PRIMARY				2	100.00	Using temporary; Using filesort
1	SIMPLE	t1	ref	s_id, o_id, s_id_2, o_id_2	o_id_2	5	htyp_mw.t2.id	6	100.00	Using index
1	SIMPLE	t4	ref	s_id	s_id	4	htyp_mw.t1.s_id	1	100.00
1	SIMPLE	t0	eq_ref	PRIMARY, smw_id, smw_iw, smw_iw_2	PRIMARY	4	htyp_mw.t1.s_id	1	83.76	Using where

Auxilliary Tables

Temporary table t2
Recursively computed hierarchy for element(s) (6533).
SELECT s_id FROM `smw_fpt_subc` WHERE o_id=6533 LIMIT 1

Query Metrics

Query-Size:1
Query-Depth:0

Errors and Warnings

None

Article	Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
The Netherlands	14 February 2009 23:49:04
New York, NY	4 February 2009 16:06:47
Fayetteville, NC	13 October 2008 11:57:07
Ann Arbor, MI	27 September 2008 13:56:34
Farmersville, TX	27 September 2008 13:56:26
Mexico	13 September 2008 00:35:53
Luna	13 September 2008 00:34:00
Japan	13 September 2008 00:29:21
Jalisco	13 September 2008 00:28:22
Jupiter	13 September 2008 00:26:12
Germany	13 September 2008 00:24:51
Eris	13 September 2008 00:23:53
District of Columbia	13 September 2008 00:22:38
Cabo San Lucas, Baja California Sur	13 September 2008 00:20:13
Dallas, TX	29 August 2008 07:11:57
Gatlinburg, TN	29 August 2008 07:11:28
Winston-Salem, NC	29 August 2008 07:11:00
Emerald Isle, NC	29 August 2008 07:08:52
Massachusetts	21 August 2008 20:08:44
Apex, NC	21 August 2008 20:08:35

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