Le Médiéviste et l’ordinateur

Le Médiéviste et l’ordinateurHistoire médiévale, informatique et nouvelles technologies

n° 42 (Printemps 2003) : La diplomatique

Application of Computerized Analyses in Dating Procedures for Medieval Charters (suite)

APPENDIX 1 Chronological Evaluation of Selby Charter #224 using word pattern frequencies

Figure 22. Original Selby charter #224 text from published source

Figure 23. Source document for Selby charter #224

<content>
Omnibus hoc scriptum visuris vel audituris Johannes Camerarius de Seleby Walterus Capellanus Thomas de Drayton Radulfus de Hanburg' Henricus Juuen Alanus le Fraunceis Walterus de Scotton Johannes Tannator Thomas de Hayton Martinus Tannator Willelmus Pipin Rogerus Bay Ricardus Hund et totius villatae de Seleby universitas salutem in Domino Universis et singulis notum facimus nos communi assensu et voluntate omnium nostrum libere tenentium ejusdem villae concessisse et imperpetuum quietum clamasse pro nobis et heredibus nostris Deo et Sancto Germano de Seleby et monachis ibidem Deo servientibus totum jus et clameum quod habuimus vel habere poterimus in bosco del Est et in herbagio ejusdem bosci ad fossandum claudendum et in omnibus modis et ingeniis comodum suum inde faciendum salvo nobis herbagio in residuo ejusdem bosci quod extra fossata praedictorum monachorum fuerit inclusum per metas et bundas ibidem factas ita tamen quod habeamus in pannagio porcos nostros in eodem bosco si Abbati et Conventui placuerit aliquos porcos extraneos praeter porcos suos dominicos in eodem bosco recipere eodem pacto et condicione qua solebamus habere porcos nostros In cujus rei testimonium nos Johannes Juuenis ' Walterus Capellanus[] ' huic praesenti scripto penes Abbatem et Conventum residenti sigilla nostra pro universitate villatae de Seleby apposuimus Dat apud Seleby die Sabati proxima Post festum Sancti Ambrosii anno Domini m cc l quinto in praesentia domini Thomae de Stanford clerici domini Regis et aliorum plurimorum hominum fidelium ibidem existentium[]
</content>

<transactionType>Quitclaim</transactionType>

<copySource>CartularyCopy</copySource>

</general>

<main>Internal</main>
<details>A.D.</details><details>Feast</details>

</dateInfo>

<locationInfo>

<place>Selby</place>
<county>YORKSHIRE</county><country>ENGLAND</country>

</locSet></location>

</locationInfo>

Johannes Camerarius</pname>

</person>

<person type="RELIGIOUS">

<pname type="Individual" role="" link="">

Walterus Capellanus</pname>

</person>

<pname type="Individual" role="" link="">

Thomas de Drayton

</pname></person>

</parties>

<person type="RELIGIOUS">

<pname type="Group" role="" link="">

Sanctus Germanus de Seleby</pname>

</person>

</parties>

</data>

<notes>

<note type="content">

ccxxiv. 1255 CARTA JOHANNIS CAMERARII, WALTERI, THCME, RADULFI, HENRICI, ETC.

</note>

<markup>

<layer type="numeral">

<item start="1436" end="1449"/>

</layer>

</markup>

</sourceDocument>

Figure 24. Normalized search engine entry in HTML format generated
from Source Document for Selby charter #224

<html>

<head>

<metaname="cartcode"content="0084">

<metaname="cartname"content="Selby – St German">

</head>

<body>

omnibus hoc scriptum uisuris uel audituris iohanes camerarius de selebi walterus capelanus tomas de draiton radulfus de hanburg henricus iuuen alanus le fraunceis walterus de scoton iohanes tanator tomas de haiton martinus tanator wilelmus pipin rogerus bai ricardus hund et totius uilate de selebi uniuersitas salutem in domino uniuersis et singulis notum facimus nos comuni asensu et uoluntate omnium nostrum libere tenentium eiusdem uile concesise et imperpetuum quietum clamase pro nobis et heredibus nostris deo et sancto germano de selebi et monachis ibidem deo seruientibus totum ius et clameum quod habuimus uel habere poterimus in bosco del est et in herbagio eiusdem bosci ad fosandum claudendum et in omnibus modis et ingeniis comodum suum inde faciendum saluo nobis herbagio in residuo eiusdem bosci quod extra fosata predictorum monacorum fuerit inclusum per metas et bundas ibidem factas ita tamen quod habeamus in panagio porcos nostros in eodem bosco si abati et conuentui placuerit aliquos porcos extraneos preter porcos suos dominicos in eodem bosco recipere eodem pacto et condicione qua solebamus habere porcos nostros in cuius rei testimonium nos iohanes iuuenis walterus capelanus huic presenti scripto penes abatem et conuentum residenti sigila nostra pro uniuersitate uilate de selebi aposuimus dat apud selebi die sabati proxima post festum sancti ambrosii ano domini m c l quinto in presentia domini tome de stanford clerici domini regis et aliorum plurimorum hominum fidelium ibidem existentium[]

</body>

</html>

NOTES TO APPENDIX 1

1. The HTML document shown in Fig. 24 is a projection of the corresponding Source Document stored in the DEEDS Corpus in a format allowing effective indexing of the charter content and attributes by the Search Engine. Charter attributes such as type, source, etc. are coded using the HTML « meta » tag elements. A document’s meta tag elements also include mappings of the charter’s original date to various period grids (3, 5, 10, 15, 20 years) as well as to a variable period grid (« av »). The use of HTML projections of the source document allow for the creation of multiple projections of the same charter when applying different normalization routines. Each projection will further serve as another processing channel (see Fig. 7).

2. Table 1 contains values of word-pattern frequencies grouped chronologically (by period specified in column 1) and scaled by dividing the total number of word-pattern occurrences in any given period by the maximum number of occurrences in the period found in the given set of word-patterns. Each column is headed « w2 », « w3 », etc. and contains data for sets of two-word patterns, three-word patterns, etc. correspondingly. The last column is entitled « estimate ». It is calculated as the sum of values produced by individual word-pattern sets where each value is adjusted by using a dynamically computed « weigh ». The « weight » is calculated as the number of words in the word-patterns of a given set, divided by the maximum number of words in the word-pattern and then raised to a power of 2.

3. The date estimate (Fig. 26) is calculated as an average of estimates.

4. The accuracy of the chronological evaluation delivered by the current implementation of our methodology using word-pattern frequencies varies depending upon the properties of a given charter, but it can be significantly increased by the careful use of statistical computations.

Figure 25. Sample word-pattern frequency distributions out
of a total of 4584 in Selby Charter #224

omnibus hoc 12181220 2

omnibus hoc 12211223 1

omnibus hoc 12271229 2

omnibus hoc 12301232 1

omnibus hoc 12331235 2

…...............................................

omnibus hoc 13051322 3

hoc scriptum 11971202 3

hoc scriptum 12031211 4

hoc scriptum 12121217 6

hoc scriptum 12181220 8

hoc scriptum 12211223 3

…...............................................

hoc scriptum 13231397 6

.........................................................................

four-word patterns

omnibus hoc scriptum uisuris 12181220 1

omnibus hoc scriptum uisuris 12211223 1

omnibus hoc scriptum uisuris 12271229 1

omnibus hoc scriptum uisuris 12331235 1

omnibus hoc scriptum uisuris 12511253 4

omnibus hoc scriptum uisuris 12571259 2

omnibus hoc scriptum uisuris 12691271 1

omnibus hoc scriptum uisuris 12751277 2

omnibus hoc scriptum uisuris 12781280 1

omnibus hoc scriptum uisuris 12931295 1

...............................................................................

six-word patterns

clameum quod habuimus uel habere 12961298 1

quod habuimus uel habere poterimus 12601262 1

quod habuimus uel habere poterimus 12721274 1

quod habuimus uel habere poterimus 12901292 2

quod habuimus uel habere poterimus 12961298 1

quod habuimus uel habere poterimus 13051322 1

habuimus uel habere poterimus in 12331235 1

...............................................................................

nine- and ten-word patterns

omnibus modis et ingeniis comodum suum inde faciendum	12541256	1
et monachis ibidem deo seruientibus totum ius et clameum	12391241	1
monachis ibidem deo seruientibus totum ius et clameum quod	12391241	1
ius et clameum quod habuimus uel habere poterimus in	12961298	1
in omnibus modis et ingeniis comodum suum inde faciendum	12541256	1
et monachis ibidem deo seruientibus totum ius et clameum quod	12391241	1

Click here to view the Table 1 . Scaled frequency distributions generated for word-pattern
groups composed of 2 to 10 words in Selby charter #224

Original Date : 1255 Date estimate: 1254.62

Figure 26. Scaled frequency distributions produced
by sets of word-patterns in Selby charter #224
(click image to enlarge - cliquer sur l'image pour agrandir)

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