CN102999548B - Geographical name data extended method and device in electronic chart - Google Patents
Geographical name data extended method and device in electronic chart Download PDFInfo
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- CN102999548B CN102999548B CN201210353438.9A CN201210353438A CN102999548B CN 102999548 B CN102999548 B CN 102999548B CN 201210353438 A CN201210353438 A CN 201210353438A CN 102999548 B CN102999548 B CN 102999548B
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Abstract
Geographical name data expanding unit and method in a kind of electronic chart, first storage unit for storing electronic map database; One for storing the second storage unit of dictionary of place names database; A matching module, for associating the record of the historical atlas in this electronic map database to the corresponding place name entity in this dictionary of place names database; And one for exporting the output unit of result after the association of this matching module.This device or method, by being associated with the historical development about place name entity recorded in dictionary of place names database by the historical atlas in electronic map database, make user can obtain the space time information in historical evolution and the attribute information of more abundant place name entity.Thus, be conducive to resolving and inverting the historical development of place name entity.
Description
Technical field
The invention belongs to areas of information technology, be specifically related to a kind of Geographic Information System.
Background technology
Growing along with computer techno-stress, people are to the research of all kinds of knowledge, also increasing by means of electronic information.Such as, Geographic Information System is utilized to arrange a large amount of space time informations involved in all kinds of historical summary.And more existing Geographic Information System, such as, the informationization being designed to historical geography evolution process of the Spatio-Temporal Data Model for Spatial in GIS technology, geographical name data bank provides possibility.
Meanwhile, because the evolution of history geographical name data along with history is always ceaselessly changing, in order to realize the informationization of place name evolution process, a large amount of numerical maps, historical geography infosystem have been there is both at home and abroad.
But, at present this type systematic all cannot the process of inverting historical geography transition in data plane, these geodatas are relatively independent in each period of history, contact is lacked between geodata between different times, therefore, the evolution process of place name cannot be described, more cannot review the evolution history of place name.This brings huge difficulty to the parsing of whole historical process and inverting.
Summary of the invention
The object of the present invention is to provide geographical name data extended method and device in a kind of electronic chart, for solving the problem cannot analyzed according to the carrying out of the geodata in existing numerical map to the historical development of place name.
In the electronic chart that the present invention proposes, geographical name data expanding unit comprises: first storage unit, for storing electronic map database, this electronic map database is for storing historical atlas, and this historical atlas comprises the spatial information of place name entity, temporal information and place name; Second storage unit, for storing dictionary of place names database, the record in this dictionary of place names database is for storing the data of the place name entity in the dictionary of place names, and this record comprises the historical development information of this place name entity; A matching module, for getting up the historical development information association of the historical atlas in this electronic map database to the corresponding place name entity in this dictionary of place names database, in order to resolve and inverting the historical development of this place name entity; And an output unit, for exporting the result after the association of this matching module.
In the electronic chart that the present invention proposes, geographical name data extended method comprises: determine place name entity to be checked and time corresponding to this place name entity or time period; According to this time or time period, mate respectively in electronic map database and dictionary of place names database, inquire about the historical atlas mated with this time or time period in this electronic map database, and the record mated with this time or time period in this dictionary of place names database, this record is for recording the historical development information of a certain place name entity; According to the place name of this place name entity, this historical atlas is mated with this record, under obtaining this time or time period, the historical atlas of this place name entity and historical development information; By this historical atlas and historical development information association; Export the result after association.
In one embodiment, geographical name data extended method in the electronic chart that the present invention proposes, comprising: determine place name entity to be checked; According to the place name entity that this is to be checked, inquire about corresponding historical atlas respectively, inquire about the record of this place name entity in dictionary of place names database in electronic map database, this record is for recording the historical development information of corresponding place name entity; This historical atlas and this historical development information are associated; Export the result after association.
The embodiment of geographical name data extended method and device in electronic chart of the present invention, by being associated with the historical development about place name entity recorded in dictionary of place names database by the historical atlas in electronic map database, make user can obtain the space time information in historical evolution and the attribute information of more abundant place name entity.Thus, be conducive to resolving and inverting the historical development of place name entity.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 2 is the logical organization of the data in the electronic map database adopted in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 3 is the data structure table of the record in the dictionary of place names database adopted in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 4 is the data structure table in the driven nature event table adopted in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 5 is the data structure table in the Process Character event table adopted in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 6 is the logical organization of the record in the dictionary of place names database adopted in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 7 is the history place name time transformational structure table adopted in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 8 is the logical organization of the data of inquiring about acquisition in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Fig. 9 is the state change type figure of place name entity in the embodiment of geographical name data expanding unit in electronic chart of the present invention;
Figure 10 is Process Character event classification chart in the embodiment of geographical name data expanding unit in electronic chart of the present invention.
Embodiment
Below in conjunction with Figure of description, geographical name data extended method and device in electronic chart of the present invention are specifically described.
Please refer to Fig. 1, in electronic chart of the present invention, the embodiment of geographical name data expanding unit comprises:
First storage unit, for storing electronic map database; Second storage unit, for storing dictionary of place names database; A matching module, for the data in the electronic map database in the first storage unit being associated with the corresponding data in the dictionary of place names database in the second storage unit, in order to resolve and inverting the historical development of place name entity; And an output unit, export to user for the result after being associated by matching module, the mode of output will not limit at this, can be to show on the screen of electron device, also can be printed etc. by printer.
Wherein, electronic map database, for storing the historical atlas in each period, this atlas can reflect the spatial information of place name entity, temporal information and title (i.e. place name) intuitively; Dictionary of place names database, for storing the data of the place name entity in the dictionary of place names, i.e. record, can reflect the historical development information specifically of corresponding place name entity.According to these historical informations specifically, relevant geographical name data in the differentiation information of the place name entity in dictionary of place names database and electronic map database can be connected, thus, the geographical name data that in electronic map database, relatively independent, shortage contacts each other is connected, thus, can resolve and inverting the historical development of place name entity.Specifically, in electronic map database, each dynasty corresponds to a historical atlas, a historical atlas comprises n layer, and n is natural number, in n layer, front n-1 layer is respectively to should n-1 the administrative division grade in dynasty, management belongs to the administrative division place name of this administrative division grade, and n-th layer manages the non-administrative division place name in this dynasty, as river, mountains and rivers etc.Namely the hierarchical structure that have employed " historical atlas-layer-place name " is carried out information of place names and is organized.The attribute information that historical atlas can intuitively obtain only has the title of place name entity, i.e. place name, and concrete institutional framework as shown in Figure 2.
Dictionary of place names database includes the detailed description to place name entity, and include the description of place name entity change procedure, develop abundant information, therefore utilize OO mode, with " state-driven nature event-Process Character event " for the information that fundamental is relevant to place name entity is organized.
Place name entity description information in dictionary of place names database not only describes place name entity relevant spatial information, attribute information, also describes the Process Character event that place name entity develops in time and the driven nature event driving Process Character event to occur.Process Character event is used to the event of the change in time and space process of a description place name entity; Driven nature event is the event of production process event, that is, cause the space-time event of place name entity.The data of the driven nature event relevant to place name entity are added in dictionary of place names database, this not only can be complete record place name entity develop process and the origin cause of formation, the driven nature event with relevance can also be inquired about in the evolution analysis process of place name entity, find out place name entity by these driven nature events to develop and local physical environment, politics, economy, cultural contacting, therefrom explore place name entity development law, the textual criticism of other place name entity evolution process auxiliary, improves summary and the conclusion of place name entity development law.
Further, the separation of place name entity and the information of merging can also be added in dictionary of place names database.The separation of place name entity and combination situation may be summarized to be following several, as shown in attached 3.With reference to the classification of table 1, according to the separation occurred in place name entry and combination situation, in place name entity data bak, record corresponding to new place name entity can be created according to actual needs in dictionary of place names database.
The separation of table 1 place name entity and merging
As shown in Figure 3, in electronic chart of the present invention geographical name data expanding unit embodiment in, dictionary of place names database is in order to record above-mentioned information, set place name entity list GJ_Place, place name position table GJ_Location, place name type list GJ_Type, place name namelist GJ_Name, place name seat of local government table GJ_Center, place name table of grading GJ_Level, Special Geographic list of notion GL_SSubordination, place name administration be subordinate to table GL_ASubordination, eight tables are used for recording the relevant information of place name entity.
Wherein, each the PlaceID field recorded in place name entity list GJ_Place records a unique place name entity ID, and this place name entity ID corresponds to a place name entity; PlaceName field records the title of this place name entity, i.e. place name; NameClass field, recording this place name entity title is ancient place name, once visited place name or modern place name; Description field, is used for preserving text message relevant to this place name entity in e-dictionary.
Place name position table GJ_Location, for preserving the geographic position that in digitized process, place name entity changes at every turn.Wherein, LocationID field is the unique mark for recording a record in the table GJ_Location of place name position; LocationDes field is for recording the text descriptor of place name entity; Geometry field, for preserving the geographic coordinate of place name entity in a certain period of history, if electronic historical atlas adopts spatial database PostGIS(GIS database of increasing income), then corresponding to the Geometry type in spatial database PostGIS, can be the types such as a Point, multiple spot MultiPoint, line LineString, broken line MultiLineString, polygon Polygon, some polygon MultiPolygon.Under normal circumstances, point-like place name represents its longitude and latitude by the x having unique coordinate, y; Wire place name is represented by line segment or broken line, and each coordinate points on line segment or broken line represents the longitude and latitude of the geographic area of wire place name process; Planar place name by For Polygons Representation, the coordinate string x on polygon ring
1y
1, x
2y
2, x
3y
3x
ny
nidentify the geographical frontier of planar place name.
Place name type list GJ_Type, for preserving the classification type of place name entity, i.e. the expression kind of the geometric shape of current place name.Wherein, the type field, for preserving the classification type of place name entity, as: point-like, planar or wire, if place name is river, then the type field is then recited as wire; TypeID field is the unique mark for recording a record in place name type list GJ_Type; TypeDes is for recording the text message of the type describing this place name entity.
Ground the name space be subordinate to table GL_SSubordination in SSubordination field for preserving the situation of change of the Special Geographic concept belonging to place name entity.Special Geographic concept, refer to some geographic concepts regions acquired a special sense, such division does not have administrative meaning, but there is geographic position mark meaning, such as: northeast, ancient claim the east area of the Liao River, coextensive with eastern and southern Liaoning Province, the Northeast, outside the Pass, Manchuria, northeast itself is not an administrative division, but the general designation on territory, direction, Northeast China.SSubordinationID field is the unique mark being subordinate to a record in table GL_SSubordination for recording the ground name space; SSDes field is for recording the text message of the space membership describing this place name entity.
Place name namelist GJ_Name, is used for the state change of the title of preserving place name entity.Wherein, NameType field is for recording whether the title of current place name entity is title, and be called for short, be commonly called as etc. is all non-standard name.NameID field is the unique mark for recording a record in place name namelist GJ_Name.Place name seat of local government table GJ_Center, is used for the state change of the seat of local government of preserving place name entity.Seat of local government, also known as administrative center, government guard station, seat of government, refers to the guard station of administrative region government at different levels.Usual administrative division place name all can have this attribute of seat of local government.CenterID field is the unique mark for recording a record in the table GJ_Center of place name seat of local government; CenterDes field is the text message for recording the seat of local government describing this place name entity.
Place name table of grading GJ_Level, is used for the state change of the grade of preserving place name entity.Level field in GJ_Level table is for preserving the administrative hierarchy of this place name entity in the corresponding period of history.LevelID is the unique mark for recording a record in place name table of grading GJ_Level; CenterDes field is the text message for recording the grade describing this place name entity.
Place name administration is subordinate to table GL_ASubordination, is used for the state change of the relationship of administrative subordinateness preserving place name entity.ASubordinationID field is the unique mark being subordinate to a record in table GL_ASubordination for recording place name administration; ASubordination field is subordinate to object, ADes field for recording the text message of the relationship of administrative subordinateness describing this place name entity for describing.
Place name entity list GJ_Place, place name position table GJ_Location, place name type list GJ_Type, place name namelist GJ_Name, GL_ASubordination, place name seat of local government table GJ_Center, place name table of grading GJ_Level, place name administration are subordinate in table GL_ASubordination and include PlaceID field, this field records a unique place name entity ID, and this place name entity ID corresponds to a place name entity.Therefore, place name entity list GJ_Place can show interrelated by PlaceID field with other each.
As shown in Figures 4 and 5, in dictionary of place names database, Process Character event table and driven nature event table can also be comprised.
Process Character event description be the process that place name entity changes, what driven nature event embodied is place name entity at time or the concrete reason that spatially changes, i.e. cause-effect relationship.Namely the change of place name entity is always produced by corresponding driven nature event-driven.There are following three kinds of relations in the differentiation of driven nature event and place name entity: the relation of (1) 1:1, and namely a driven nature event result in a place name entity and changes; (2) relation of 1:n, namely a driven nature event causes multiple place name entity to change; (3) relation of n:1, namely the acting in conjunction of multiple driven nature event causes place name entity to change.
Driven nature event table as shown in Figure 4, because driven nature event is the reason place that place name entity develops, may betides point sometime, also may betide section sometime.Therefore, the field (StartTime field, EndTime field) of the starting and ending of time on the books and associated description (STDes field, ETDes field) thereof in driven nature timetable.DriveEventID field is the unique ID information for identifying this record, and the keyword of this driven nature event of KeyWord field record, the type field have recorded the classification of driven nature event.The Description field record urtext information of this event.In electronic chart of the present invention, the embodiment of geographical name data expanding unit is classified to driven nature event, specifically, as shown in table 2, if event name is noun in table 2, then represents the event relevant to this noun.
Table 2 driven nature event is classified
Process Character event table as shown in Figure 5, records the process that place name develops.Wherein, Time field, for the time point recording the space characteristics of place name entity, attributive character changes.The type field, for recording the state change type of place name entity, state change type can adopt the classification shown in Fig. 9.StateID field, for recording the state ID after the change of place name generation state, state ID corresponds respectively to unique mark LocationID, TypeID, SSubordinationID, NameID, CenterID, LevelID, the ASubordinationID of record one record in GJ_Location table, GJ_Type table, GL_SSubordination table, GJ_Name table, GJ_Center table, GJ_Level table, GL_ASubordination table according to developing type, for mark place name change before and after different status informations.In these seven tables, each record is all some states that a place name entity exists, namely on certain period or time point, the state such as title, seat of local government, relationship of administrative subordinateness, type, position, space membership of this place name entity, these tables are by the mark recorded in its PlaceID field and place name entity associated, and unique mark of these records itself and event correlation, thus record certain event and result in this which state of place name entity and there occurs change.
As shown in Figure 9, classification of type is developed according to place name entity, develop type and can be divided into spatial variations and attribute change, spatial variations comprises and newly establishes, expands (containing expanding, merging), shrinks (containing reducing, being separated), general change (change containing position, geometric shape change), disappearance; Attribute change comprises and renames, changes administrative division grade, changes genus, changes and control, and in name entry, the status information of different times also devises corresponding table and preserves over the ground, is associated with place name entity list by unique ID.
DriveEventIDs field, for recording the ID string of the driven nature event causing Process Character event to occur, the driven nature event that cause causes place name entity state to change may be one also may be multiple, DriveEventIDs field comprises the ID of at least one driven nature event, if there is the ID of multiple driven nature event, available special symbol separates to be convenient to identify.In electronic chart of the present invention, the embodiment of geographical name data expanding unit have also been made classification to Process Character event, specifically, as shown in Figure 10.
Also comprise PlaceID field in Process Character event table, also will inevitably comprise the ID string of driven nature event, thus, Process Character event table and driven nature event table are just associated with other table by PlaceID field simultaneously.
In above-mentioned each table, StartTime field, for recording corresponding initial time; EndTime word, for recording the corresponding end time; STDes field, for recording the content be described in detail initial time; ETDes field, for recording the content be described in detail the end time.In above-mentioned each table, initial time and end time all derive from the text of the dictionary of place names, consider the existence to text understanding deviation, STDes field and ETDes field is adopted to record the urtext information of initial time and end time, in order to do the correction of data accuracy in the future.
On the whole, in electronic chart of the present invention geographical name data expanding unit embodiment in, the corresponding individual packages of each place name entity there is uniquely identified record, all likely comprise in every bar record life cycle of corresponding place name entity and period extinction phase two kinds state, " build " change of the survival condition caused with " putting aside as useless " in time for describing place name entity.Further, all right, comprise the Process Character event of the time dependent status flag of place name entity (comprising space characteristics, attributive character), state change, the information such as driven nature event.Based on the data of event driven place name entity, the building-block of logic in dictionary of place names database as shown in Figure 6.That is, the record in dictionary of place names database describes the abundant historical development information of place name entity
Matching module, for being associated the record of the historical atlas in electronic map database to the corresponding place name entity in dictionary of place names database.
Because the temporal expressions mode describing history geographical name data is various, and the association that place name develops needs to be mapped on the locality under special time, just evolution analysis can be carried out, differ if the time of place name entity describes expression, lack unified time reference, accurate evolution process cannot be obtained, so the temporal expressions mode of place name entity must be unified by conversion.
Therefore, further, this matching module can also be used for the time involved by the record of the place name entity in the historical atlas in electronic map database and dictionary of place names database to be converted to unified temporal expressions mode, such as: Christian era the way of numbering the years.Then data associate by this matching module, specifically, can be that matching module is by mating the time in the record of e-dictionary database with the time in electronic map database, look for and be recorded to corresponding historical atlas, the record in e-dictionary database and the historical atlas in electronic map database are associated.Thus history geographical name data evolution model under forming unified space-time framework.Concrete coupling step, also can describe in detail in the method embodiment one to two of the present invention below.It will not go into details herein.
If the selection way of numbering the years in Christian era is expression way unified time, then need other times expression way to way of numbering the years conversion in Christian era.In order to this conversion, in electronic chart of the present invention, the embodiment of geographical name data expanding unit establishes period of history table Historical_Period, historical dynasty country table Historical_Dynasty, history emperor shows Historical_King and emperor's title of an emperor's reign table Historical_ReignTitle and shows the conversion of several expression way to the way of numbering the years in Christian era.Because historical dynasty name is close in the description of time with name of the country, and Organization of Data is identical, therefore is documented in dynasty country table as same object in dynasty and name of the country.The concrete structure of four tables as shown in Figure 2.
Wherein, PeriodID field, DynastyID field, KingID field and ReignTiltleID field are respectively used to record the unique identification of unique identification period of history, dynasty or country, emperor and the title of an emperor's reign.PeriodName field, DynastyName field, KingName field, ReignTitle field are respectively used to record the title of corresponding period of history, dynasty or country, emperor and the title of an emperor's reign.StartTime field, EndTime field describe the way of numbering the years initial time and end time in Christian era of corresponding period of history, dynasty or country, emperor and the title of an emperor's reign respectively.Description field is for recording the associated description of corresponding period of history, dynasty or country, emperor and the title of an emperor's reign.The history emperor Title field shown in Historical_King also describes the conventional appellation of later age to emperor.Because period of history and historical dynasty (country) are unique in history, therefore do not need association.History emperor being shown the external key of the KingID in Historical_King as emperor's title of an emperor's reign table Historical_ReignTitle, is because a title of an emperor's reign may by multiple employed by the emperor.
By above four tables, the conversion of other times expression way to the way of numbering the years in Christian era can be completed.Need the beginning and the end time of query history period, dynasty, country, the period of history directly can be utilized to show Historical_Period and historical dynasty country table Historical_Dynasty and inquire about, return way of numbering the years the beginning and the end time in Christian era of this record.For the time of expressing with emperor's chronology, history emperor shows Historical_King and emperor's title of an emperor's reign table Historical_ReignTitle inquires about, and returns way of numbering the years the beginning and the end time in Christian era of this record.
Place name in electronic map database has the age comparatively accurately usually, show which age current map for describing, and the place name in the dictionary of place names, its time marking is usually because be described with text, time granularity differs in size, and therefore, accuracy is also not quite identical, also may there is ambiguity simultaneously, therefore need the choice scheme of design time.
For the time with ambiguity, such as: " the 17th century Mo ", " the later stage thirties 20th century ", " Tang just ", " unit end ", " clear mid-term ", " the period of Three Kingdoms ", need to be limited during extraction to temporal information, formulate respective rule.As: the time as shown in Figure 10 can be adopted to accept or reject rule.
The fuzzy expression in epoch and value rule in table 5 way of numbering the years in Christian era
| Time describes and value | Example |
| Initial stage in age, early stage, the First Year of getting an age early stage | " the initial stage nineties " gets 90 years |
| Mid-nineties 90 gets middle 1 year an of age | " the mid-90 " gets 95 years |
| Latter stage in age, late period, later stage get the one's last year in an age | " the latter stage nineties " gets 99 years |
Division for century in the Christian era way of numbering the years has three kinds usually: (1) early stage and later stage; (2) in early days, mid-term, late period; (3) initial stage, latter stage.The boundary in concrete division period does not have clear and definite regulation, adopts habitual usage to divide.Based on this, the time as shown in table 6 can be adopted to accept or reject rule.
The medieval fuzzy expression of table 6 way of numbering the years in Christian era and value rule
Way of numbering the years place name entity change in non-Christian era time interocclusal record due to granularity comparatively greatly, it is poor that the accuracy of value compares the Christian era way of numbering the years, the time as shown in table 7 can be adopted to accept or reject regular.
The description of table 7 way of numbering the years Fuzzy Time in non-Christian era and value rule
As shown in Figure 8, by matching module, electronic map database is associated with the historical development information in dictionary of place names database, namely, geographical name data evolution model in geographical name data evolution model in atlas in time and the history dictionary of place names is associated, thus makes user can obtain the more abundant information to place name entity.That is, user by the geographical name data in electronic map database, can obtain the exact geographic location of place name entity.Meanwhile, again by expanding the place name solid data in electronic map database, introduce dictionary of place names database, the historical development information specifically that user can be obtained for place name entity describes.Thus, be conducive to resolving and inverting the historical development of place name entity.
Optimize, can also matching module be passed through, carry out time tissue, the time in electronic map database and dictionary of place names database is converted into unified temporal expressions mode.The information of the place name entity of acquisition can be made to be shown by above-mentioned output unit under unified temporal expressions mode.Further, can also temporal information be passed through, inquire about sometime or the historical atlas of locality under the time period and historical development information.
Optimize, also obtain the different place names of place name entity at different times by dictionary of place names database, and can be associated by the data of this place name place name entity corresponding with electronic map database, thus the geographical name data that in electronic map database, relatively independent, shortage contacts each other is connected
In electronic chart of the present invention, the embodiment one of geographical name data extended method comprises:
Step 110, determines place name entity to be checked.
Can be the title of this place name entity according to user's input, i.e. place name, determines.
Step 120, according to place name entity to be checked, inquires about corresponding historical atlas in electronic map database.
Wherein, electronic map database, the same with the electronic map database mentioned in the embodiment of geographical name data expanding unit in electronic chart of the present invention, do not repeat them here.
Step 130, according to place name entity to be checked, the record that inquiry is relevant to this place name entity in dictionary of place names database.This record is for recording the historical development information of corresponding place name entity
Wherein, dictionary of place names database, the same with the dictionary of place names database mentioned in the embodiment of geographical name data expanding unit in electronic chart of the present invention, do not repeat them here.
Between step 120 and step 130, order does not limit, and first performs step 130 and also can in execution step 120.
Step 140, is associated the historical atlas in electronic map database with the record relevant to this place name entity in dictionary of place names database.
Step 160, exports Query Result.
Preferably, the method after step 140, before step 160, can further include:
Step 151, after obtaining record corresponding with the place name obtained in step 110 in dictionary of place names database, can obtain the place name of place name entity in other period of history by this record;
Step 152, according to the historical atlas of other period of history in other place name or the placename-querying electronic map database of other period of history;
Step 153, is associated the historical atlas of other period of history with this record.Preferably, after step 120,130, before step 160, can also comprise:
Step 170, converts the time recorded in historical atlas and record to unified temporal expressions mode.
Specifically, can be pre-set by inquiry, be respectively used to the period of historifying, dynasty, country, the period of history table of emperor's corresponding time period, historical dynasty country table, history emperor show and emperor's title of an emperor's reign table, obtain the way of numbering the years in corresponding Christian era;
By inquiring about the choice rule of the ambiguity temporal expressions mode pre-set, the temporal expressions of ambiguity in the Christian era way of numbering the years is converted to the temporal expressions being accurate to year.
Wherein, be described later in detail in the embodiment of choice rule geographical name data expanding unit in electronic chart of the present invention of period of history table, historical dynasty country table, history emperor table, emperor's title of an emperor's reign table and ambiguity temporal expressions mode, do not repeat them here.In above-mentioned embodiment one, associated with the relative recording in dictionary of place names database by the historical atlas in ground star's electronic map database, due to the record in dictionary of place names database, in fact be exactly the historical development information describing place name entity, that is, user, by inquiry, makes the data in electronic map database obtain expansion, go out the historical atlas that can obtain this place name entity, the detailed historical development information of this place name entity can also have been obtained.Such as, when this place name entity is renaming, and when has changed relationship of administrative subordinateness, is again because what causes these to change.In above-mentioned embodiment one, further, the historical development information association of this place name entity in the historical atlas and dictionary of place name of each different period of history can be got up to 153 by step 151, is more conducive to obtaining more complete historical development information.Step 170, then to changing the correlation time in electronic map database, dictionary of place names database, unifying, thus make the historical development information that inquires, can be shown on unified time shaft, its sequencing by very clear, advantageously in analyzing and inverting the historical development of going through this place name entity.
In electronic chart of the present invention, the embodiment two of geographical name data extended method comprises:
Step 310, determines place name entity to be checked and time or time period.
Can be the time according to user's input or the title of time period and this place name entity, i.e. place name, determines.
Step 320, according to this time or time period, mates respectively, searches relevant historical atlas and relative recording in electronic map database and dictionary of place names database.
By time match, in electronic map database, find the historical atlas corresponding with this time, in dictionary of place names database, find the record corresponding with the time.Described in embodiment above, each record in dictionary of place names database all describes the relevant historical development information of a certain place name entity.
Step 330, according to the place name of place name entity, mates with record the historical atlas checked out in step 320, under obtaining this time or time period, and the historical atlas of this place name entity and historical development information.
Step 340, by under this time or time period, the historical atlas of this place name entity and historical development information association.
Wherein, dictionary of place names database, the same with the dictionary of place names database mentioned in the embodiment of geographical name data expanding unit in electronic chart of the present invention, do not repeat them here.
Electronic map database, the same with the electronic map database mentioned in the embodiment of geographical name data expanding unit in electronic chart of the present invention, do not repeat them here.Step 350, exports the result after association.
Preferably, step 320 specifically comprises:
Step 322, converts the temporal information in electronic map database and dictionary of place names database to unified temporal expressions mode;
Wherein, concrete conversion regime is the same with the mode in the step 140 of embodiment one.Repeat no more herein.
Step 324, with the time obtained in step 310 or time period, mates with the temporal information in electronic map database and dictionary of place names database respectively;
Thus, the record of the historical atlas under this time or time period and the differentiation information that historifies can be found out.
The embodiment two of geographical name data extended method in electronic chart of the present invention, by by electronic map database and dictionary of place names database, the information of the locality under special time is interrelated,, make user accurately can obtain historical atlas and the historical development information of place name entity to be checked.Be conducive to resolving and inverting the historical development of place name entity.
In electronic chart of the present invention geographical name data expanding unit embodiment in expansion after electronic map database in geography information, can comparatively comprehensively reflect the historical development of place name entity whole process and be driven into because of, be convenient to the backtracking of geographical name data and trace, can in order to the structure of the multiple systems such as geographical name data bank, information of place names system, history generalized information system.
By the description of above embodiment, those skilled in the art clearly can understand the present invention can adopt hardware implementing or software simulating, or the mode that software restraint combines realizes.When realizing with software mode, above-mentioned functions can be stored in a computer-readable storage medium, or transmitting as the one or more codes on computer-readable recording medium.
In a word, the foregoing is only the better embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a geographical name data expanding unit in electronic chart, is characterized in that, in described electronic chart, geographical name data expanding unit comprises:
First storage unit, for storing electronic map database, described electronic map database is for storing historical atlas, and described historical atlas comprises the spatial information of place name entity, temporal information and place name;
Second storage unit, for storing dictionary of place names database, the record in described dictionary of place names database is for storing the data of the place name entity in the dictionary of place names, and described record comprises the historical development information of described place name entity; Described dictionary of place names database adopts the structure of state-driven nature event-Process Character event to organize described record, and wherein, described Process Character event is used for describing once the change in time and space process of described place name entity; Described driven nature event is the event producing described process event;
A matching module, for getting up the historical development information association of the historical atlas in described electronic map database to the corresponding place name entity in described dictionary of place names database, in order to resolve and inverting the historical development of described place name entity; And an output unit, for exporting the result after the association of described matching module;
Wherein, described matching module, also for being converted to unified temporal expressions mode to the time involved by the record in the historical atlas in described electronic map database and described dictionary of place names database, and by described unified temporal expressions mode, the historical development information association in the historical atlas in described electronic map database and described dictionary of place names database is got up.
2. device as claimed in claim 1, is characterized in that: described electronic map database adopts the structure of historical atlas-layer-place name to organize described historical atlas.
3. device as claimed in claim 1, is characterized in that: described dictionary of place names database records the state of described place name entity by arranging at least following form:
A place name entity list, every bar record is wherein all for uniquely recording a place name entity;
A place name position table, for preserving the geographic position that in digitized process, place name entity changes at every turn;
A place name type list, for preserving the classification type of place name entity;
A Special Geographic list of notion, for preserving the state change of the Special Geographic concept belonging to place name entity;
A place name namelist, is used for the state change of the title of preserving place name entity;
Place name seat of local government table, is used for the state change of the seat of local government of preserving place name entity;
A place name table of grading, is used for the state change of the grade of preserving place name entity;
A place name administration is subordinate to, and is used for the state change of the relationship of administrative subordinateness preserving place name entity.
4. a geographical name data extended method in electronic chart, is characterized in that, described method comprises:
Determine place name entity to be checked and time corresponding to described place name entity or time period;
Convert the temporal information in described electronic map database and described dictionary of place names database to unified temporal expressions mode, with described time or time period, mate with the temporal information in described electronic map database and described dictionary of place names database respectively, find out the record of the historical atlas in the described electronic map database under this time or time period and the differentiation information that historifies in described dictionary of place names database, described dictionary of place names database adopts the structure of state-driven nature event-Process Character event to organize described record, wherein, described Process Character event is used for describing once the change in time and space process of described place name entity, described driven nature event is the event producing described process event,
According to the place name of described place name entity, described historical atlas is mated with described record, under obtaining described time or time period, the historical atlas of described place name entity and historical development information;
By described historical atlas and historical development information association;
Export the result after association.
5. method as claimed in claim 4, it is characterized in that, described step temporal information in described electronic map database and described dictionary of place names database being converted to unified temporal expressions mode, specifically comprises:
Pre-set by inquiry, be respectively used to the period of historifying, dynasty, country, the period of history table of emperor's corresponding time period, historical dynasty country table, history emperor show and emperor's title of an emperor's reign table, obtain the way of numbering the years in corresponding Christian era;
By inquiring about the choice rule of the ambiguity temporal expressions mode pre-set, the temporal expressions of ambiguity in the Christian era way of numbering the years is converted to the temporal expressions being accurate to year.
6. method as claimed in claim 5, is characterized in that, after the step that described method is associated, before exporting the step of Query Result, also comprises:
After obtaining the record in dictionary of place names database, the place name of place name entity in other period of history can be obtained by this record;
According to the historical atlas of other period of history in other place name or the placename-querying electronic map database of other period of history;
The historical atlas of other period of history is associated with the time with described historical development information.
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| CN104850552B (en) * | 2014-02-13 | 2018-07-20 | 华为技术有限公司 | A kind of methods of exhibiting and device of space-time data |
| JP6390175B2 (en) * | 2014-06-05 | 2018-09-19 | カシオ計算機株式会社 | Learning support device, learning support method and program |
| CN109033421B (en) * | 2018-08-08 | 2022-05-13 | 王一 | Historical research object research device and method based on electronic map |
| CN112799553A (en) * | 2019-11-13 | 2021-05-14 | 北京四维图新科技股份有限公司 | Electronic map interaction method and mobile device |
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