Page

Mtas can produce pages for the listed documents. To get this information, in Solr requests, besides the parameter to enable the Mtas query component, the following parameter should be provided.

Parameter Value Obligatory
mtas.page true yes

Multiple pages can be generated from the same request. To distinguish them, a unique identifier has to be provided for each of the required pages.

Parameter Value Info Obligatory
mtas.page.<identifier>.key <string> key used in response no
mtas.page.<identifier>.field <string> Mtas field yes
mtas.page.<identifier>.start <double> start position for the page yes
mtas.page.<identifier>.end <double> end position for the page yes
mtas.page.<identifier>.prefix <string> comma separated list of prefixes no

The output for each document is divided into the three position types of Mtas tokens: word, range and set and has this structure:

"word" : [
  <position> : [
                 [ <tokenId>, <prefix>, <postfix>, parentId ],
                 ...
               ],
], "range" : [
  <startPosition> : [
                 [ <tokenId>, [<startPosition>, <endPosition>], <prefix>, <postfix>, parentId ],
                 ...
               ],
], "set" : [
  <startPosition> : [
                 [ <tokenId>, [<position>, <position>, ...], <prefix>, <postfix>, parentId ],
                 ...
               ],
]

where parentId is only included when available, and postfix when available or needed to include parentId.

Examples

1. Page : Page with prefix lemma and pos from position 100 to 200

Token

Example
Page with prefixes lemma and pos from position 100 to 200

Request and response
q=%2A%3A%2A&mtas=true&mtas.page=true&mtas.page.0.field=text&mtas.page.0.prefix=lemma%2Cpos&mtas.page.0.start=100&mtas.page.0.end=200&fl=%2A&start=0&rows=1&wt=json&indent=true

"mtas":{
    "page":[{
        "key":"0",
        "list":[{
            "documentKey":"e6a7cd11-36d3-494a-b131-eadeb2df77c4",
            "documentMinPosition":0,
            "documentMaxPosition":18437,
            "data":{
              "word":{
                "100":[[1014,
                    "lemma",
                    "de"],
                  [1016,
                    "pos",
                    "LID"]],
                "101":[[1024,
                    "lemma",
                    "wol"],
                  [1026,
                    "pos",
                    "N"]],
                ...
                "199":[[2018,
                    "lemma",
                    "het"],
                  [2020,
                    "pos",
                    "LID"]],
                "200":[[2027,
                    "lemma",
                    "garen"],
                  [2029,
                    "pos",
                    "N"]]}}}]}]}

Lucene

To use keywords in context directly in Lucene, ComponentPage together with the provided collect method can be used.