Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
104 words
A method of storing and retrieving data using an electronic file, the method comprising the steps of: providing a list of alphanumeric descriptions to each of which is assigned a number; entering data to be stored in terms of an entity type and an attribute of the entity type; retrieving from the said list the respective numbers for the entity type and for the attribute; forming a keyfield by concatenating the number identifying the entity type with the number identifying the attribute of the entity type; and writing a record to the electronic file, the record comprising the said keyfield and a data part.
Claim 2
Independent Claim
104 words
A method of storing and retrieving data using an electronic file, the method comprising the steps of: providing a list of alphanumeric descriptions to each of which is assigned a number; entering data to be stored in terms of an entity type and an attribute of the entity type; retrieving from the said list the respective numbers for the entity type and for the attribute; forming a keyfield by concatenating the number identifying the entity type with the number identifying the attribute of the entity type; and writing a record to the electronic file, the record comprising the said keyfield and a data part.
Claim 3
Dependent Claim
81 words
A method as claimed in claim 1, wherein the step of entering data to be stored includes entering the data to be stored in terms of an entity of the said entity type in addition to the entity type and the attribute of the entity type; wherein the step of retrieving from the said list includes retrieving the respective number for the entity; and wherein the step of forming the keyfield comprises concatenating the three numbers retrieved from the said list.
Claim 4
Dependent Claim
22 words
A method as claimed in claim 1, wherein part of the keyfield indicates the structure of the data part of the record.
Claim 5
Dependent Claim
26 words
A method as claimed in claim 1, wherein some of the records store data and other of the records store details of the relationships between data.
Claim 6
Dependent Claim
22 words
A method as claimed in claim 1, wherein some of the records store data and other of the records control data processing.
Claim 7
Dependent Claim
36 words
A method as claimed in claim 1, wherein the storage of an item of information involves the formation and recordal of three records each of which contains identifiers enabling the other two records to be identified.
Claim 8
Dependent Claim
39 words
A method as claimed in claim 1, wherein the numeric values of the said provided list is calculated for alphanumeric descriptions with reducing significance being assigned to words in an alphanumeric description after the first word in the list.
Claim 9
Dependent Claim
108 words
A data storage and retrieval system using an electronic file, comprising: storage means containing a list of alphanumeric descriptions to each of which is assigned a number; means for entering data to be stored in terms of an entity type and an attribute of the entity types; means for retrieving from the said list the respective numbers for the entity type and for the attribute; means for forming a keyfield by concatenating the number identifying the entity type with the number identifying the attribute of the entity type; and means for writing a record to the electronic file, the record comprising the said keyfield and a data part.
Claim 10
Dependent Claim
108 words
A data storage and retrieval system using an electronic file, comprising: storage means containing a list of alphanumeric descriptions to each of which is assigned a number; means for entering data to be stored in terms of an entity type and an attribute of the entity types; means for retrieving from the said list the respective numbers for the entity type and for the attribute; means for forming a keyfield by concatenating the number identifying the entity type with the number identifying the attribute of the entity type; and means for writing a record to the electronic file, the record comprising the said keyfield and a data part.