DECM Gazetteer

The DECM Historical Gazetteer is a digital gazetteer of historical places in Mexico available in different formats and built from detailed research. This includes a 16th century version (The DECM 16th Century Gazetteer) with the toponyms mentioned in primary sources including the Relaciones Geográficas (1577-1585) and the Suma de Visitas de los Pueblos de la Nueva España (1548-1550), as well as information on the political, religious and administrative units of the Viceroyalty of New Spain. The gazetteer is composed of 71 main files with geographic information of colonial provinces, alcaldias, corregimientos, diocesis, among many others, as well as thousands of historical cities, towns, villages, and other places. This is integrated in an interoperable model containing thousands of historical locations with alternative spelling place-name variations. The dataset also includes 30 tables with additional historical information related to toponyms, languages, repositories, maps, etc.There are two versions of the DECM Historical Gazetteer: 1) The DECM Gazetteer, and 2) The DECM_16thC_Gazetteer.This is the DECM Gazetteer and this version includes all the researched historical toponyms contained in primary and secondary sources. The information is organised by RG volume. It also includes layers and tables of historical information digitised and/or created by the project from secondary sources.This set is composed by GIS shapefiles &amp; Linked Places format information with: a) all toponyms with coordinates, mentioned and disambiguated from the primary sources (13 volumes) and secondary sources (3 volumes); b) 30 geographical layers of additional historical information derived from secondary sources; c) 32 tables with other important historical information related to the RGs; and d) the DECM Gazetteer Registry.<b>Content</b><pre><code>1. DECM_Gazetteer_primarysources: Contains 17 shapefiles (points and polygons) with historical geographies. They have been created from the indexes of the edited volumes of the Relaciones Geográficas de la Nueva España and Yucatán published by Acuña, De la Garza, and the Suma de Visita de los Pueblos by Del Paso y Troncoso (see sources used) disambiguated and atomized in a spatial database. Each shapefile include the following attributes: ID, Place name, Alternative Names, Modern Name, References, Location, Confidence Degree, ID of a related location, Relationship shared, Location Type, Type Thesaurus URL, Coord X, Coord Y, Time spam URL, Start date, End date. Every shapefile includes metadata.</code></pre><pre><code>2. DECM_Gazetteer_secondarysources: Contains 4 shapefiles (points and polygons) with historical information mentioned and collected from 4 secondary sources. </code></pre><pre><code>3. DECM_Additional_Information: Contains 49 shapefiles (points and polygons) with additional information on historical geographies. They have been created by digitising historical studies on 16th century Colonial History of Mexico.</code></pre><pre><code>4. DECM_Tables: Cointains 2 folders with additional tabular data with relevant information about 16th century colonial Mexico in two formats: csv and xlsx.</code></pre><pre><code>5. Documents: a) DECM_Gazetteer_Disambiguation_Percentage.xlsx - Excel document with the total amount of toponyms included in the primary and secondary sources used, the number and percentage of places disambiguated where X and Y coordinates were assigned or not found. b) DECM_Gazetteer_Registry.xlsx &amp; CSV: Excel and CSV files with a list of all the information of sources and attibutes included in DECM_Gazetteer_primarysources, DECM_Gazetteer_secondarysources, DECM_Additional_Information, and DECM_Tables. c) Souces_for_the_Disambiguation - Text file with the bibliographical references used to locate the place names in the DECM_Gazetteer_primarysources folder.</code></pre>

DECM历史地名辞典（DECM Historical Gazetteer）是一套面向墨西哥历史地点的数字化地名辞典，依托详实的学术研究构建，支持多格式获取。该辞典包含16世纪版本（DECM 16世纪地名辞典），收录了来自《地理关系报告》（Relaciones Geográficas，1577-1585）与《新西班牙城镇巡视总录》（Suma de Visitas de los Pueblos de la Nueva España，1548-1550）等一手史料中的地名，同时涵盖新西班牙总督辖区的政治、宗教与行政单位相关信息。
本辞典包含71个主文件，涵盖殖民时期省份、市政区（alcaldias）、总督直辖行政区（corregimientos）、教区（diocesis）等各类地理单元，以及数千处历史城市、乡镇、村落与其他地点。其采用互操作模型整合了数千处支持多拼写变体的历史地点。本数据集还包含30张表格，涵盖与地名、语言、馆藏、地图等相关的补充历史信息。
DECM历史地名辞典共有两个版本：1）DECM地名辞典；2）DECM_16thC_Gazetteer。本版本为DECM地名辞典，收录了一手与二手史料中所有经考证的历史地名，信息按《地理关系报告》卷册组织，同时包含本项目从二手史料中数字化或自主创建的历史信息图层与表格。
本数据集包含GIS形状文件（shapefiles）与关联地点格式（Linked Places format）数据，具体包括：
a) 来自13卷一手史料与3卷二手史料中经标注与消歧的带坐标地名；
b) 30张源自二手史料的补充历史地理信息图层；
c) 32张与《地理关系报告》相关的重要历史信息表格；
d) DECM地名辞典注册表（DECM Gazetteer Registry）。

**内容**
1. DECM_Gazetteer_primarysources：包含17个历史地理相关的形状文件（点与多边形要素）。这些文件基于Acuña、De la Garza出版的《新西班牙与尤卡坦地理关系报告》校勘本索引，以及Del Paso y Troncoso编纂的《新西班牙城镇巡视总录》创建，经空间数据库消歧与原子化处理。每个形状文件包含以下属性：ID、地名、别名、现代地名、参考文献、地理位置、置信度、关联地点ID、共享关系、地点类型、类型叙词表（Thesaurus）URL、X坐标、Y坐标、时间范围URL、开始日期、结束日期。所有形状文件均附带元数据（metadata）。
2. DECM_Gazetteer_secondarysources：包含4个从4份二手史料中提取并标注的历史地理信息形状文件（点与多边形要素）。
3. DECM_Additional_Information：包含49个历史地理补充信息形状文件（点与多边形要素），由墨西哥16世纪殖民史的历史研究成果数字化整理而成。
4. DECM_Tables：包含2个文件夹，提供csv与xlsx两种格式的补充表格数据，涵盖16世纪墨西哥殖民时期的相关重要信息。
5. Documents：
a) DECM_Gazetteer_Disambiguation_Percentage.xlsx：该Excel文档统计了本次研究使用的一手与二手史料中收录的地名总量，以及完成消歧并赋予X/Y坐标、未赋予坐标的地点数量与占比。
b) DECM_Gazetteer_Registry.xlsx 与 CSV：分别为Excel与CSV格式文件，列出了DECM_Gazetteer_primarysources、DECM_Gazetteer_secondarysources、DECM_Additional_Information及DECM_Tables中所有来源与属性的信息清单。
c) Souces_for_the_Disambiguation：文本文件，收录了用于定位DECM_Gazetteer_primarysources文件夹中地名的参考文献目录。