Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Reexamination Certificate
2000-11-15
2004-06-15
Bella, Matthew C. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
C707S793000
Reexamination Certificate
active
06750864
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a system, an interface to a multidimensional database, a front end to a multidimensional database, a user interface, programs and methods implemented on a digital processing unit for improving user utility of data in a multidimensional database and for integrating manipulation, mining and visualization functions of data in a multidimensional database in a unified environment.
More particularly, this invention relates to programs and methods implemented on a digital in processing unit that allow a user to display multi-dimensional data on a display device in a number of different formats to improve visualization of large amounts of data, a number of different techniques to improve data analysis and mining and a number of different techniques to improve data manipulation. These techniques provide the user with better methods for refining data selection, data categorization and/or data classification as well as providing improved visual understanding of possible relationships between variables or collections of variables in a multidimensional dataset or between multidimensional datasets. The present invention also relates to a system, an interface to a multidimensional database, a front end to a multidimensional database and a user interface to facilitate the extraction of information, interesting data relationships and meaningful data from which information can be readily derived from a multidimensional database or other similar structure containing multidimensional data.
2. Description of the Related Art
Most multidimensional database such as MicroSoft Analysis Services, store data in a structure format. These databases perform extensive classification of data and calculations various aspects of the data as it is being stored in the database. Thus, if the database is storing information on registered voters nationwide, the data will be broken down by state, county and town or city, by gender, location, education or other classification criteria. For each such criteria, certain cumulative data associated with the raw data is calculate and stored such as the sum of each class of voter, i.e., the total number of female voter in a given town or city of a given state. The exact structure for storage of the raw data and the associated cumulative data and the mechanisms for obtaining both raw and cumulative data is understood and controlled by the database manager. The manager allows programs to access these data through specialized programing languages that correspond to database queries or requests. The form of the request is generally a set of word, symbols or functions that represent a set of instructions that the manager can invoke to obtain specific data stored in the database and transfer the requested data to the requester.
Several patents are directed to interacting with multidimensional databases such as U.S. Pat. Nos. 5,631,015 and 6,094,651, incorporated herein by reference. However, these patents do not support robust and user-friendly graphical interfaces to display and manipulate the data in understandable ways.
Thus, there remains a need in the art for new and better multidimensional database interfaces, front-ends, user interfaces and systems which allow for improved data visualization, analysis, mining and manipulation.
SUMMARY OF THE INVENTION
The present invention provides a computer environment for integrating multidimensional data manipulation, mining and visualization using a set of novel multidimensional data manipulation, mining and graphics techniques.
The present invention also provides an interface (sometimes referred to herein as a middleware interface or a MWI) to a MDD including a query receiver, a results sender, a query parser, a clause translator, a command sender, a data receiver and an operational construct assembler, where both sender and receiver can be combined into an exchanger and the parser and translator can be combined into a disassembler. The query receiver receives a query from a data mining technique (DMT). The parser breaks the query into an ID and one or more clauses where a clause is a syntactically valid MDD command, a pre-defined term that corresponds to a pre-defined series or sequence of syntactically valid MDD commands or a operational construct and the ID comprises a DMT identifier used by the interface and a query identifier used by the DMT. The translator translates the non command clauses into either their corresponding series of sequence of MDD commands or into a set or sequence of MDD commands necessary to satisfy the operational construct parameters. The sender sends each command to the MDD manager creating a unique synchronous thread, channel or connection to the MDD, where the MDD manager performs the necessary internal MDD procedures need to extract the requested data corresponding to each command from the MDD and once available, the MDD manager send the requested data to the receiver which receives the extracted data corresponding to each command and once received terminates that unique synchronous thread to the MDD. If the query included an operational construct, then the operational construct assembler would performs the data operations necessary to satisfy the construct parameters. The result sender would sends the results to the DMT signified in the ID associated with that query.
The present invention also provides an MDD front end including at least one data mining technique (an DMT) and an MWI of this invention. The MDD front end can also include a GUI, preferably, a GUI of this invention.
The present invention also provides a MDD system including a MDD and a MDD front end of this invention.
The present invention also provides a graphics user interface (GUI) for improved visualization of multidimensional data which includes at least one of the following graphics techniques: a scoping graphics technique; a multidimensional decision tree graphics technique; a star graphics technique; a pivot tree graphics technique; a pixel graphics technique; and surfacing graphics technique.
The present invention provides a polyscope graphics technique including selecting a plurality of variables and a sequencing variable, generating all combinations of the plurality of variable taken either two at a time or three at a time, plotting all combinations in a 2D or 3D scatter plot and stacking the 2D or 3D scatter plots relative to the sequencing variable. Optionally, the technique can include connecting corresponding points in each stack 2D or 3D scatter plot with line segments or with a regression fit curve. Additionally, the technique allows for the stacked construct to be progressed through the entire range of the sequencing variable or through any sub-range. The automated progression option can include fade in fade out animation and other visualization techniques to highlight the change in the position of the points in the 2D or 3D scatter plots relative to the sequencing variable.
The present invention also provides data manipulation and analysis or mining techniques including at least one of the following techniques: a multidimensional decision tree generator; a cross-tab and cross-tab cell ranker (ACTG); a decision tree to cross-tab converter; a technique for identifying interesting nodes in a decision tree; a technique for constructing filters corresponding to the tree path leading to the interesting nodes; and a correlation technique.
The present invention also provides for methods utilizing all aspects of the present invention. Specifically, the present invention provides a method for extracting data from an MDD including the steps of sending a query to an MWI of the present invention from a DMT, parsing and translating the query into syntactically valid MDD commands, sending the commands to the MDD, receiving data corresponding to the command from the MDD and sending the results of the query back to the DMT.
The present invention also provides methods for visualizing, manipulating and/or analyzing or mining data implemented on a computer or di
Bella Matthew C.
Blackman A
Polyvista, Inc.
Strozier Robert W.
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