US20030083958A1 - System and method for retrieving information from an electronic catalog - Google Patents

System and method for retrieving information from an electronic catalog Download PDF

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US20030083958A1
US20030083958A1 US09877604 US87760401A US2003083958A1 US 20030083958 A1 US20030083958 A1 US 20030083958A1 US 09877604 US09877604 US 09877604 US 87760401 A US87760401 A US 87760401A US 2003083958 A1 US2003083958 A1 US 2003083958A1
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search
attribute
computer
data
records
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Jinshan Song
Geoffry Westphal
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WW Grainger Inc
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WW Grainger Inc
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor ; File system structures therefor
    • G06F17/30286Information retrieval; Database structures therefor ; File system structures therefor in structured data stores
    • G06F17/30386Retrieval requests
    • G06F17/30424Query processing
    • G06F17/30477Query execution
    • G06F17/3048Database cache management
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor ; File system structures therefor
    • G06F17/30286Information retrieval; Database structures therefor ; File system structures therefor in structured data stores
    • G06F17/30386Retrieval requests
    • G06F17/30389Query formulation
    • G06F17/30395Iterative querying; query formulation based on the results of a preceding query
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor ; File system structures therefor
    • G06F17/30286Information retrieval; Database structures therefor ; File system structures therefor in structured data stores
    • G06F17/30386Retrieval requests
    • G06F17/30389Query formulation
    • G06F17/30398Query predicate definition using graphical user interfaces, including menus and forms
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor ; File system structures therefor
    • G06F17/30861Retrieval from the Internet, e.g. browsers
    • G06F17/30873Retrieval from the Internet, e.g. browsers by navigation, e.g. using categorized browsing, portals, synchronized browsing, visual networks of documents, virtual worlds or tours
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce, e.g. shopping or e-commerce
    • G06Q30/06Buying, selling or leasing transactions
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce, e.g. shopping or e-commerce
    • G06Q30/06Buying, selling or leasing transactions
    • G06Q30/0601Electronic shopping
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce, e.g. shopping or e-commerce
    • G06Q30/06Buying, selling or leasing transactions
    • G06Q30/0601Electronic shopping
    • G06Q30/0623Item investigation
    • G06Q30/0625Directed, with specific intent or strategy
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce, e.g. shopping or e-commerce
    • G06Q30/06Buying, selling or leasing transactions
    • G06Q30/0601Electronic shopping
    • G06Q30/0641Shopping interfaces
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    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce, e.g. shopping or e-commerce
    • G06Q30/06Buying, selling or leasing transactions
    • G06Q30/0601Electronic shopping
    • G06Q30/0641Shopping interfaces
    • G06Q30/0643Graphical representation of items or shoppers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99931Database or file accessing
    • Y10S707/99933Query processing, i.e. searching
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10S707/99941Database schema or data structure
    • Y10S707/99943Generating database or data structure, e.g. via user interface

Abstract

A system and method for finding, reading, and displaying information contained within an electronic catalog, such as a product catalog. The electronic catalog is temporarily stored in volatile memory in the form of a searchable data structure comprising a plurality of search records each representative of a unit of information, or a product, within the catalog. Each search record further comprises data representative of one or more attributes of the corresponding unit of information.

Description

    BACKGROUND OF THE INVENTION
  • This invention relates generally to systems and methods for conducting electronic commerce and, more particularly, relates to a system and method for interacting with an electronic catalog. [0001]
  • The recent development of the Internet has caused many retailers and suppliers to enter the electronic-business forum and offer their products for sale via the Internet. In order to facilitate the sale of their products via the Internet, these retailers and supplies typically provide online catalogs which identify and describe their products. The method for searching for products within these electronically stored catalogs is, however, different than the methods that are traditionally used when searching for products listed in a printed catalog. In this regard, search engines have been the most common means employed for searching electronic catalogs. However, retailers and suppliers have struggled to develop search engines that are easy to use and that also provide accurate and useful results on a substantially real-time basis. In fact, currently known search engines are often times frustrating to use and provide less than optimal results. [0002]
  • To initiate the searching process, many search engines allow users to enter keywords. Typically, these search engines process the keywords that are entered by the user and, in response, conduct input/output (“I/O”) function calls at a server computer to obtain the search results. While the keyword search methodology is effective for searching product catalogs with small inventories, conducting searches using I/O function calls is time consuming and less efficient for retailers and suppliers that offer many different products. [0003]
  • Additionally, many retailers and suppliers offer multiple products that include identical or virtually identical product names or descriptions. Thus, when a keyword search is conducted, the search is likely to generate a large list of products that match the entered keywords. This requires that the results of the search be carefully reviewed by the party conducting the search, or that the search be re-executed with keywords that are aimed at producing a narrower set of search results. Therefore, the keyword search methodology is seen to have limited use in that it is most effective when performing searches within product catalogs that have products that have easily distinguishable descriptive attributes. Unfortunately, most electronic product catalogs are voluminous and have numerous products with the same or similar attributes. [0004]
  • A known alternative to search techniques that utilize I/O function calls when conducting searches is to provide a lookup module that stores substantially all of the search database in the local memory of a computer. This type of search, however, is limited to word processing applications where users have the option of employing a dictionary look-up function or a thesaurus look-up function. While these search techniques enable a search to be conducted in a relatively fast time frame, as a result of storing part of the search database in the local memory, these search techniques have not been employed to search product catalogs which are presently too large to be stored in local memory when compared to electronic dictionaries and thesauruses. [0005]
  • From the foregoing, it is seen that a need remains for an improved system and method for conducting online searches of product catalogs. In particular, a need exists for a system and method for conducting online searches of large product catalogs that is easy to use and that also provides accurate and useful results on a timely basis. [0006]
  • SUMMARY OF THE INVENTION
  • In accordance with these needs, the subject invention is realized in a system and method for finding, reading, and displaying information contained within an electronic catalog, such as a product catalog. The electronic catalog is temporarily stored in volatile memory in the form of a searchable data structure comprising a plurality of search records each representative of a unit of information, or a product, within the catalog. Each search record further comprises data representative of one or more attributes of the corresponding unit of information. [0007]
  • To access the information in the electronic catalog, a search request is created that includes data representative of a user specified search attribute. The user may specify the search attribute by providing a keyword, selecting an attribute from a pull-down menu, clicking on an displayed attribute, or the like. The user specified search attribute is used of find search records having a data structure that includes data that corresponds to the user specified search attribute. Information indicative of the search records that were found to include a search attribute that correspond to the user specified search attribute may then be displayed to the user. [0008]
  • A better understanding of the objects, advantages, features, properties and relationships of the invention will be obtained from the following detailed description and accompanying drawings which set forth an illustrative embodiment and which are indicative of the various ways in which the principles of the invention may be employed.[0009]
  • BRIEF DESCRIPTION OF DRAWINGS
  • For a better understanding of the invention, reference may be had to a preferred embodiment shown in the following drawings in which: [0010]
  • FIG. 1 is a diagram illustrating an exemplary system for conducting searches in accordance with the invention described herein; [0011]
  • FIG. 2 is a diagram illustrating exemplary components at the search computer within the system illustrated in FIG. 1 and its interaction with a server computer and a client computer; [0012]
  • FIG. 3 is an exemplary Web page depicting a user interface displaying the results of an exemplary search; [0013]
  • FIG. 4 is a Web page depicting a user interface displaying the results of an exemplary search resulting from the clicking of the searchable attribute “Westward” as shown in FIG. 3; [0014]
  • FIG. 5 is a Web page depicting a user interface displaying the results of yet another exemplary search; [0015]
  • FIG. 6 is an exemplary main data file depicting product records for an electronic catalog, including fields for “record number,” “stock number,” “brand,” “description,” “50 Hertz” and “Made in the USA”; [0016]
  • FIG. 7 is a portion of an exemplary main data file depicting binary attributes and an exemplary search data structure of a searchable, electronic catalog which is representative of the portion of the main data file and which is created in accordance with the subject invention; [0017]
  • FIG. 8 is a portion of an exemplary main data file depicting enumerated attributes and an exemplary search data structure of a searchable, electronic catalog which is representative of the portion of the main data file and which is created in accordance with the subject invention [0018]
  • FIG. 9 is a portion of the XML listing used in providing a configuration interface; [0019]
  • FIG. 10[0020] a shows a series of exemplary records that are created by a data preprocessor/configuration interface after processing a first product record in the main data file, the exemplary records including a first data field, a second data field and a third data field;
  • FIG. 10[0021] b shows a series of exemplary records that are created by the data preprocessor/configuration interface after processing a second product record in the main data file, the exemplary records including additional record numbers in the third data field for attributes contained in the second product record;
  • FIG. 10[0022] c shows a series of exemplary records that are created by the data preprocessor/configuration interface after processing all of the product records in the main data file, the exemplary records including additional record numbers in the third data field for attributes contained in a third and fourth product record;
  • FIG. 11 is a diagram illustrating an exemplary method for use in converting the main data file into a searchable, electronic catalog; [0023]
  • FIG. 12 is a diagram illustrating an exemplary method for processing search requests at a search computer and downloading search results to a client computer; and [0024]
  • FIG. 13 is a diagram illustrating an exemplary method for processing a search request including additional attributes that are submitted by the client computer, after search results have already been provided, the process including steps for executing a join/intersection function to merge the search results from the search requests and displaying selectable search attributes that exist for the joined search results.[0025]
  • DETAILED DESCRIPTION
  • Turning now to the Figures, wherein like reference numerals refer to like elements, there is illustrated a system and method for interacting with an online or electronic catalog. Although not required, the system and method will be described in the general context of a computer network [0026] 20, illustrated in FIG. 1, and computer executable instructions being executed by general purpose computing devices within the computer network 20. In this regard, the general purpose computing devices may comprise one or more server computers 22 a, which include a main data file 24, one or more search computers 22 b, which include a searchable (as shown in FIG. 2), electronic catalog in the form of one or more search data structures 28, and one or more client computers 22 c by which users can access and retrieve information from the searchable, electronic catalog. As will be appreciated by those of skill in the art, the general purpose computing devices need not be limited to personal computers, but may include hand-held devices, multiprocessor systems, microprocessor-based or programmable consumer electronics, minicomputers, mainframe computers, personal digital assistants, cellular telephones or the like depending upon their intended end use within the system.
  • For performing the procedures described hereinafter, the computer executable instructions may be written as routines, programs, objects, components, and/or data structures that perform particular tasks. Within the computer network [0027] 20, the computer executable instructions may reside on a single general purpose computing device or the tasks performed by the computer executable instructions may be distributed among a plurality of the general purpose computing devices. Therefore, while described in the context of a computer network, the present invention may be embodied in a stand-alone, general purpose computing device that need not be connected to a network.
  • To perform the particular tasks in accordance with the computer executable instructions, the general purpose computing devices may include, as needed, a video adapter, a processing unit, a system memory, and a system bus that couples the system memory to the processing unit. The video adapter allows the general purpose computing devices to support a display, such as a cathode ray tube (“CRT”), a liquid crystal display (“LCD”), a flat screen monitor, a touch screen monitor or similar means for displaying textual and graphical data to a user. The display allows a user to view information such as the keyword and drill-down search attributes, search results for particular search requests, system maintenance screens, etc. [0028]
  • The general purpose computing devices may further include read only memory (ROM), a hard disk drive for reading from and writing to a hard disk, a magnetic disk drive for reading from and writing to a magnetic disk, and/or an optical disk drive for reading from and writing to a removable optical disk. The hard disk drive, magnetic disk drive, and optical disk drive may be connected to the system bus by a hard disk drive interface, a magnetic disk drive interface, and an optical disk drive interface, respectively. The drives and their associated computer-readable media provide non-volatile storage of the computer executable instructions and any other data structures, program modules, etc. utilized during the operation of the general purpose computing devices. In addition, to provide improved searching speed by eliminating the need to perform I/O function calls, the search computer(s) [0029] 22 b will include random access memory (“RAM”) or similar volatile memory in which the subject searchable, electronic catalog is preferably stored.
  • To connect the general purpose computing devices within the computer network [0030] 20, the general purpose computing devices may include a network interface or adapter. When used in a wide area network, such as the Internet, the general purpose computing devices typically include a modem or similar device. The modem, which may be internal or external, is connected to the system bus via a serial port interface. It will be appreciated that the described network connections are exemplary and that other means of establishing a communications link between the general purpose computing devices may be used. For example, the system may also include a wireless access interface that receives and transmits information via a wireless communications medium, such as, a cellular communications network, a satellite communications network, or other similar type of wireless network.
  • For use in creating the searchable, electronic catalog, a main data file [0031] 24 is provided which is preferably in the form of a traditional commercial database capable of being updated and maintained in conventional and existing manners. In this regard, the main data file 24 is preferably comprised of product records 24 a wherein each product record is representative of an individual product, i.e., a unit of information in the electronic catalog. Furthermore each product record preferably includes data 26 stored in fields which data is representative of attributes of the product, i.e., features, descriptors, etc. For example, as shown in FIG. 6, the data may be organized within the main data file 24 using records having predefined fields 25 such as, by way of example only, a “record number” field 25 a, a “stock number” field 25 b, a “brand” field 25 c, a “description” field 25 d, a “50 Hertz” field 25 e, and a “Made in the USA” field 25 f. For reasons that will become apparent, the fields within the main data file 24 are preferably selected so as to provide a means for logically categorizing the product attributes.
  • While the main data file [0032] 24 is preferably stored in one or more memory locations on one or more of the server computers 22 a, it will be appreciated that the main data file 24 can also be stored on a single general purpose computing device on which the entirety or part of the system is embodied. Furthermore, to ensure that the searchable catalog contains the most up-to-date information, it is preferred that measures are taken to timely update the main data file 24 from which the searchable, electronic catalog is derived. To this end, the main data file 24 may be updated on a daily basis. This update would advantageously take place during non-peak search periods.
  • To create the searchable, electronic catalog from the information contained within the main data file [0033] 24, which also preferably takes place during non-peak search periods, the system includes a data preprocessor that cooperates with a configuration interface 36, an example of the configuration interface 36 is illustrated in FIG. 9, to create one or more search data structures 28. Generally, the configuration interface functions to define the search data structures 28, i.e., the records and fields within the search data structures 28. Accordingly, the configuration interface also determines into which search data structure 28 data from the main data file 24 is to be stored.
  • When storing data within the search data structures [0034] 28, the configuration interface may also be used to assign functionality to the data, e.g., whether the data in the field is displayable, whether the data within the field is a selectably searchable attribute, etc. By way of example, with reference to FIG. 9, data representative of an attribute 26 within the search data structure 28 might be displayable on a user computer 22 c as an alphanumeric string, i.e., “Power Tool,” while the internal, searchable representation of this attribute might be a hex value, i.e., 0×04. Thus, it will be appreciated that some searchable attributes, such as searchable attributes represented in binary form, are only utilized in connection with the search process described hereinafter.
  • As noted previously, the configuration interface [0035] 36 is used to dynamically assign each attribute 26 an internal representation data type within the search data structure, such as string, integer or bit mask. In this regard, since string types are slow and wasteful in terms of memory but well-suited for human-readable applications, strings should be used only to represent attributes that are to be displayed on the user computer 22 c. On the other hand, since integers are fast and, therefore, a significant amount of logical comparisons can be performed in only a few CPU clock cycles, integers are a preferred internal representation type. Bit masks are also fast, but come in a close second to integers, due to some limitations associated with JAVA code, which is the preferred coding language. Nevertheless, if slight response time degradation is allowable, then the overall data structure “footprint” can be significantly reduced by using bit masks, especially when using binary attributes, e.g., yes/no or true/false.
  • As further noted above, the main data file [0036] 24 may be converted into several search data structures 28, such as a keyword search data structure 28 a, a “brand” search data structure 28 b, or other custom search data structures 28 c. The keyword search data structure 28 a may include a group of search records 30 comprised of attributes 26 that are stored within data fields within the main data file 24 as text. The brand search data structure 28 b may include a group of search records 30 comprised of search attributes 26 that are taken from the specific “brand” field 25 c of the main data file 24. A custom search data structures 28 c may further include additional categories of search data structures, such as, search data structures 28 that include search records for products that are “made in the USA” or products that are “safe for children.” These custom search data structures 28 may include a group of search records 30 comprised of attributes 26 that are taken from the respective predefined fields 25 of the main data file 24.
  • The search records [0037] 30 are further comprised of a plurality of data fields 32. For example, each search record 30 may be comprised of a first data field 32 a, a second data field 32 b, a third data field 32 c and a fourth data field 32 d. The first data field 32 a of the search data structure 28 may contain the literal value of a particular search attribute 26 or its JAVA representation. As shown in FIG. 10a-10 c, the first data field may be generated in a sorted order. In addition, the first data field 32 a may be a binary representation of an attribute (as shown in FIG. 7), which means that this data field 32 a can assume only one of two types of values, i.e., true/yes (has the attribute) or false/no (does not have the attribute). On the other hand, if the first data field 32 a can assume one of several different predefined values, such as white, black, or yellow (as shown in FIG. 8), the first data field 32 a can have an enumerated value representative of the one of the predefined attribute values. The second data field 32 b contains the number of times the attribute appears in the main data file 24. The third data field 32 c preferably contains the record address in the main data file 24 where the particular search attribute 26 appears. Further, the third data field 32 c may include a variable number of data fields dependent upon the number of records in which the attribute 26 appears in the main data file 24.
  • The fourth data field [0038] 32 d is optional and may include an index 27 that represents a range of values, the range of values including a value equivalent to that values contained within the first data field 32 b of the search records 30, such as an RPM value; thus, as shown in Table A, the configuration interface 36 may populate the fourth data field 32 d with a selectable index 27. The selectable index 27 may be displayed on the client computer 22 c as a drill-down menu selection or as a hyperlink, and chosen by the client computer 22 c similar to other selectable attributes 26 b. The first data field 32 a, the fourth data field 32 d and the collection of record addresses that may exist in the third data field 32 c may also be provided in sorted order.
    TABLE A
    Variable Number of
    Record Numbers
    Where this
    Dictionary Word
    Display Appears in
    Indexed Value Value Freq. Main Data File
     500 to 1199  550 1 56 . . .
    1200 to 1499 1200 2 34 66 . . .
    1500 to 1999 1625 3 27 58 88 . . .
    2000 to 2999 2550 1 22 . . .
  • The sorted order of the first data field [0039] 32 a, the third data field 32 c and the fourth data field 32 d allows in-place searches to be conducted, that is, searches can be conducted without requiring additional indexes to perform the search. An in-place binary or interpolation search may be performed by knowing the memory address in which each search record 30 begins and ends. Although not required, the data fields 32 of the search records 30 are stored as read-only data. Thus, traditional database activities, such as live updates, record locking, record validation and foreign key constraints are not available; this decreases the memory and processing requirements for the search computers 22 b, thereby increasing the speed and efficiency of the system 10 while also allowing the searchable, electronic catalog to be maintained in volatile memory.
  • As exemplified in FIGS. 11 and 10[0040] a-10 c, to create the search data structures 28 a, the data preprocessor, as directed by the configuration interface 36, uploads a first attribute 26 a from a selected predefined field 25 of the main data file 24 into the first data field 32 a of a first search record 30 a for a particular search data structure (as designated by the configuration interface), adds one to the second data field 32 b of the first search record, and appends the record address of the record in the main data file 24 in which the first attribute appears into a third data field 32 c of the first search record 30 a.
  • The data preprocessor then compares a second attribute [0041] 26 b from the selected field in the main data file 24 to the attribute represented within the first data field 32 a of the first search record 30 a. If the data preprocessor determines that the second attribute 26 b and attribute represented in the first data field 32 a of the first search record 30 a are the same, the second data field 32 b of the first search record 30 a is increased by one and the record address within the main data file 24 in which the second attribute 26 b is found is appended as an additional third data field 32 c to the first search record 30 a. If, however, the configuration interface 36 determines that the second attribute 26 b and attribute represented within the first data field 32 a of the first search record 30A are different, the second attribute 26 b is read into the first data field 32 a of a second search record 30 b, its second data field is increased by one, and a third data field is appended to the second search record which includes a representation of the record within the main data file 24 in which the second attribute is found.
  • The data preprocessor will then process the next attribute [0042] 26 c in the appropriate field within the main data file 24. If the data preprocessor determines that the next search attribute 26 c and the attribute represented in the first data field 32 a of the first search record 30 a are the same, the number of occurrences represented within the second data field 32 b of the first search record 30 a is increased by one and the record address within the main data file 24 in which the currently considered attribute is found is appended as an additional third data field 32 c to the corresponding search record 30 a. If the next attribute 26 c and attribute represented by the first data field 32 a of the first search record 30 a are different, then the data preprocessor will compare the next attribute 26 c to the attribute represented in the first data field 32 a of the second search record 30 b. This process will continue to be performed until all attributes in the main data file 24 for the one or fields of interest have been considered and processed.
  • By way of specific example, as shown in FIG. 11, to create a keyword search data structure [0043] 28 a, the data preprocessor, as dictated by the configuration interface 36 will examine the data maintained in the fields of the main data file 24 that have been predetermined to contain textual information. When extracting the data from the fields, the data may be parsed to extract and consider each word separately. The words are compared as they are extracted against the words that have already been used to populate the keyword data structure in the manner described above. Thus, in accordance with this process, each of the unique words will have a corresponding record within the keyword search data structure 28 a which will include a first data field having a representation of the word, a second data field having an indication of the number of records in which the word is found, and one or more third data fields having data indicative of the records within the main data file 24 in which the corresponding word attribute is set forth.
  • To gain access to the electronic catalog resident, the user computers [0044] 22 c may be linked to the network 20 through enterprise resource planning system (“ERP”) portals, enterprise asset management system (“ESM”) portals, computerized maintenance management system (“CMMS”) portals, or general Internet portals. In the case of ERPs, ESM, and CMMS, the user computer 22 c indirectly accesses the electronic catalog by first establishing communication with an electronic-commerce system that, in turn, provides access to the server computer 22 a. In the case of a general Internet portal, the user directly accesses the server computer 22 a by, for example, clicking on a referring hyperlink in a displayed HTML page or by typing an Internet URL that functions to identify the server computer 22 a.
  • Once a connection that will provide access to the searchable, electronic catalog is established, a search of the searchable, electronic catalog is performed in response to the user entering a search request on a search computers [0045] 22 c. Based on the search attributes 26 entered or selected by the user, the server computer 22 a forwards the search request 40 to a selected one of the search computers 22 b on which is stored at least one of the search data structures 28. The search request may be distributed to one of the search computers 22 b based upon configurable, weighted average load balancing. By distributing search requests according to this method, the computer network is better able to utilize its hardware and achieve a more balanced distribution of its load. Those with skill in the art should appreciate that other methods for distributing search requests could be employed, such as round robin distribution methods or similar methods for distributing search requests.
  • To assist the user computer [0046] 22 c in accessing the computer network 20 and submitting search requests, the user computer 22 c includes a graphical user interface 34. As shown in FIGS. 3-5 , search requests may be entered on the user computer 22 b via the graphical user interface 34 as keywords or selected from drill-down menus, which may be provided by the graphical user interface 34. The graphical user interface 34 may also manage the following: (1) the content that the user interacts with; (2) search requests that are submitted by the user; (3) input and editing of a shopping cart by the user; and (4) selection of transaction options by the user. In this regard, the graphical user interface 34 of the Web server 22 a generates Web pages that include pull down menus, text entry fields, etc. by which the user computer 22 c may exchange search information with the Web server 22 a.
  • Once a search request [0047] 40 is received at a server computer 22 a, which search request is comprised of information representative of keywords or search attributes 26 a selected using the graphical user interface, the user submitted search attributes 26 a are compared to the data fields 32 a of the search records 32 to find attributes 26 that match the search attributes. In performing the matching operation, the search computer 22 b filters out search records 32 that do not include a match with the user submitted search attributes 26 a. The search records 32 that do contain a match may then be examined to determine if the remaining search records 32 include selectable search attributes 26 b that should be displayed on the user computer 22 c by which the search can be refined. In this manner, each time the user clicks on a search attribute or supplies an additional keyword, irrelevant content is eliminated and only the attributes of relevant content remain. After each searching iteration, the search results 38 may then be displayed on the user computer 22 c for purchase or additional searching.
  • More specifically, the following tables show detailed examples of how search requests [0048] 40 are processed by the search computer 22 b. The following main data file 24, shown in Table 1, is provided for exemplary purposes only.
    TABLE 1
    Record Stock 50 MADE
    # Number BRAND Description Hz IN USA
    1 1A123 Ranco Yellow Light Barricade, Hard Plastic N N
    2 2P100 Swan Yellow Soaker Hose, ¼ inch Opening N Y
    3 3K015 Dayton ¼ HP Capacitor Start Motor, Y Y
    Reversible, 1725 RPM
    4 5X808 3M Yellow Hard Hat, Plastic N Y
  • As shown above, the highlighted column headings represent selectable search attributes [0049] 26 b; selectable search attributes 26 b may be displayed on the user computer 22 c as drill-down menu selections or hyperlinks as illustrated in FIGS. 3-5. Thus, a search data structure 28 may exist for each of the selectable search attributes 26 b. If the selectable search attribute 26 b for “50 Hz” is chosen, the search computer will examine the search data structure that corresponds to the selected search attribute 26 b. The search results 38 will include all the search records 32 which include “Y” as a search attribute 26. In this instance, the main data field 24 includes one matching search record, i.e., record number 3 of the main data file 24 as indicated in the third data field 32 c of the second search record 28 of the “50 Hz” search data structure shown in Table 2.
    TABLE 2
    First Data
    Field
    (50 Hz Second Data Third Data Third Data Field
    Attribute) Field (Count) Field (Cont'd) (Cont'd)
    N 3 1 2 4
    Y 1 3
  • Next, the search computer will forward the search results [0050] 38 to the server computer 22A. The server computer will read the record number from the third data field 32 c and examine this record in the main data file 24 for additional, selectable search attributes 26 b that can be displayed on the user computer 22 c for refinement of the search. It should also be understood, however, that the search computer 22 b could also determine whether additional, selectable search attributes 26 b exist without accessing the main data file 24. In the present example, record number 3 includes selectable search attributes for “Dayton” and “Made in the USA,” shown as the highlighted search attributes in main data file 24 illustrated in Table 3 below. This means that the selectable search attributes for “Dayton” and “Made in the USA” can be displayed on the user computer for conducting additional search requests 40. In other words any selectable search attribute that includes a “Y” or an alphanumeric string can be displayed to the user computer as a drill-down menu selection or as a hyperlink for use in further refining a search. It is to be noted that, while these additional searchable selections can be presented to the user, since only one record from the main data file 24 matched the current search request, no further meaningful refinements will be made by actually clicking of the presented searchable attributes.
    TABLE 3
    Record Stock MADE IN
    # Number BRAND Description 50 Hz THE USA
    1 1A123 Ranco Yellow Light Barricade, Hard Plastic N N
    2 2P100 Swan Yellow Soaker Hose, ¼ inch N Y
    Opening
    3 3K015 Dayton ¼ HP Capacitor Start Motor, Y Y
    Reversible, 1725 RPM
    4 5X808 3M Yellow Hard Hat, Plastic N Y
  • The following tables are used to show a more detailed example of how multiple search requests [0051] 40 are processed by the search computer 22 b. The main data file shown in Table 4 is used for exemplary purposes only.
    TABLE 4
    Record Stock MADE IN
    # Number BRAND Description 50 Hz THE USA
    1 1A123 Ranco Yellow Light Barricade, Hard Plastic N N
    2 2P100 Swan Yellow Soaker Hose, ¼ inch Opening N Y
    3 3K015 Dayton ¼ HP Capacitor Start Motor, Y Y
    Reversible, 1725 RPM
    4 5X808 3M Yellow Hard Hat, Plastic N Y
  • Again, the highlighted column headings represent selectable search attributes [0052] 26 b, which are displayed on the user computer 22 c. Hyperlinks for “Ranco,” “Swan,” “Dayton” and “3M” may also be displayed on the user computer 22 c. Thus, a search data structure 28 may exist for each of the selectable search attributes 26 b, i.e., “Ranco,” “Swan,” “Dayton,” “3M,” “50 Hz” and “Made in the USA.” In the present example, the selectable search attributes 26 b for “Made in the USA” is chosen. Therefore, the search computer 22 b will examine the “made in the USA” search data structure which corresponds to the selected search attribute 26 b. The search results 38 will include all the search records 32 which are indicated to have a “Y,” i.e., the product is made in the USA, as an attribute 26. As shown in Table 5, the main data field 24 includes three matching search records, i.e., record numbers 2, 3 and 4 as indicated in the third data field 32 b of the “made in the USA” search record illustrated therein.
    TABLE 5
    First Data Field Second Data Field
    (Made in USA) (Count) Third Data Field
    N 1 1
    Y 3 2 3 4
  • Next, the search computer [0053] 22 b will forward the search results 38 to the server computer 22 a. The server computer 22 a will read the record numbers from the third data field 32 c and examine these record in the main data file 24 to determine if any additional, selectable search attributes 26 b are available to be displayed on the user computer 22 c. It should also be understood, however, that the search computer 22 b could also determine whether additional, selectable search attributes 26 b exist without accessing the main data file 24. In the present example, since record numbers 2, 3 and 4 include selectable search attributes for the brands “Swan,” “Dayton,” and “3M” and a selectable search attribute for “50 Hz” as illustrated in Table 6, the clickable, selectable search attributes 26 b for “Swan,” “Dayton,” “3M” and “50 Hz” can be displayed on the user computer for conducting additional search requests 40.
    TABLE 6
    Record Stock 50 MADE IN
    # Number BRAND Description Hz THE USA
    1 1A123 Ranco Yellow Light Barricade, Hard Plastic N N
    2 2P100 Swan Yellow Soaker Hose, ¼ inch Opening N Y
    3 3K015 Dayton ¼ HP Capacitor Start Motor, Y Y
    Reversible, 1725 RPM
    4 5X808 3M Yellow Hard Hat, Plastic N Y
  • The “Made in the USA” selectable search attribute [0054] 26 a will not be displayed on the user computer 22 c since it was already selected and selectable search attributes should not be made available for selection more than once.
  • Assuming that the selectable search attribute for “Swan” is next selected, the search computer [0055] 22 b will use the search data structure 28 for “Brands” (shown in Table 7) to retrieve all records including the brand “Swan.” As shown in Table 7, only record number 2 is a match.
    TABLE 7
    First Data Field Second Data Field
    (Brand Attribute) (Count) Third Data Field
    3M 1 4
    Dayton 1 3
    Ranco 1 1
    Swan 1 2
  • The search computer [0056] 22 b then recalls the search results from the first search request, i.e., record numbers 2, 3 and 4, and the search results from the second search request, i.e., record number 2. An intersection or join function is then applied to both sets of search results. An intersection of the search results provides only one matching search record, i.e., record number 2 from the main data file 24, as highlighted in Table 8.
    TABLE 8
    MADE
    Record # Stock Number BRAND Description 50 Hz IN USA
    1 1A123 Ranco Yellow Light Barricade, Hard N N
    Plastic
    2 2P100 Swan Yellow Soaker Hose, ¼ inch N Y
    Opening
    3 3K015 Dayton ¼ HP Capacitor Start Motor, Y Y
    Reversible, 1725 RPM
    4 5X808 3M Yellow Hard Hat, Plastic N Y
  • As a note of significance, these search results all reside in memory. Because of the data preprocessing step, the main data file may be represented indirectly with the third data field. This field consists of efficient integers. In this way, intersections of any number of search results, corresponding to a one or more selected attributes, can be performed entirely in RAM. This forgoes the need of working with traditional database intersection functions that rely on non-volatile storage. [0057]
  • As exemplified in FIG. 12, the search results [0058] 38 may be provided to the user computer 24 c in a variety of formats. For example, after the search results 38 have been displayed, the user may chose to download the search results 38. If the user selects the download option, a group of format options and field information options will be displayed on the user computer 24 c. Then, the server computer 24A will format the search results 38 according to the format options and the field information options that are selected by the user. It should also be understood by those with skill in the art that the search computer 22 b could also format the search results 38 in accordance with the format options and the field information options that are selected by the user. After the search results 38 are properly formatted, the server computer may download the search results 38 into the user computer 24 c and possibly into the ERP system of the user computer 24 c, thereby providing the user computer 22 b with a customized product catalog. The user computers 22 b may receive the customized product catalog or search results 38 in a variety of formats, such as XML, fixed length records, or string delimited. The search results can also be place into a PDF file, spreadsheet, or the like.
  • While specific embodiments of the present invention have been described in detail, it will be appreciated by those skilled in the art that various modifications and alternatives to those details could be developed in light of the overall teachings of the disclosure. For example, the processes described with respect to computer executable instructions can be performed in hardware or software without departing from the spirit of the invention. Furthermore, the order of all steps disclosed in the figures and discussed above has been provided for exemplary purposes only. Therefore, it should be understood by those skilled in the art that these steps may be rearranged and altered without departing from the spirit of the present invention. In addition, it is to be understood that all patents discussed in this document are to be incorporated herein by reference in their entirety. Moreover, while the present invention is described in terms of JAVA code, it should also be understood that the present invention may be programmed in various other software languages. Accordingly, the particular arrangement disclosed is meant to be illustrative only and not limiting as to the scope of the invention which is to be given the full breadth of the appended claims and any equivalents thereof. [0059]

Claims (22)

    What is claimed is:
  1. 1. A method for reading information from an electronic catalog, the method comprising:
    receiving an electronic search request that includes data representative of an attribute of the information that is of interest to a searcher; and
    using the electronic search request to read from a volatile memory in which the electronic catalog is temporarily stored as a data structure comprised of a plurality of records each comprised of data representative of one or more attributes of a unit of the information those records that have data which corresponds to the attribute of the information that is of interest to the searcher.
  2. 2. The method as recited in claim 1, wherein the unit of the information is representative of a product within a product catalog.
  3. 3. The method as recited in claim 1, further comprising displaying those records that have data which corresponds to the attribute of the information that is of interest to the searcher.
  4. 4. The method as recited in claim 1, further comprising the step of temporarily storing the electronic catalog in the volatile memory.
  5. 5. The method as recited in claim 1, wherein the volatile memory comprises a random access memory of a search computer.
  6. 6. A method for finding and displaying products found in a catalog, comprising:
    reading a searchable data structure into a random access memory of a search computer, the searchable data structure comprising a plurality of search records each representative of a product in the catalog wherein each search record further comprises data representative of search attributes of the corresponding product;
    receiving a search request comprising data representative of a user specified search attribute;
    comparing the data representative of the user specified search attribute to the data within the search records of the searchable data structure; and
    displaying to the user information representative of the search records that were found by the step of comparing to include search attributes that correspond to the user specified search attribute.
  7. 7. The method as recited in claim 6, wherein the user specified search attribute is a user entered keyword.
  8. 8. The method as recited in claim 6, wherein the user specified search attribute is selected from a predetermined list corresponding to selected ones of the search attributes represented within the search records.
  9. 9. The method as recited in claim 6, further comprising receiving one or more updated search requests each comprised of an additional user specified search attribute and, upon the receipt of each updated search request, using the additional user specified search attribute in the steps of comparing and displaying.
  10. 10. The method as recited in claim 6, further comprising reading a plurality of search data structures into the random access memory, each search data structure including search records that have a predetermined one of the search attributes in common.
  11. 11. A computer-readable media having instructions for reading information from an electronic catalog, the instructions performing steps comprising:
    receiving an electronic search request that includes data representative of an attribute of the information that is of interest to a searcher; and
    using the electronic search request to read from a volatile memory in which the electronic catalog is temporarily stored as a data structure comprised of a plurality of records each comprised of data representative of one or more attributes of a unit of the information those records that have data which corresponds to the attribute of the information that is of interest to the searcher.
  12. 12. The computer-readable media as recited in claim 11, wherein the unit of the information is representative of a product within a product catalog.
  13. 13. The computer-readable media as recited in claim 11, wherein the instructions further display those records that have data which corresponds to the attribute of the information that is of interest to the searcher.
  14. 14. The computer-readable media as recited in claim 11, wherein the instructions further temporarily store the electronic catalog in the volatile memory.
  15. 15. The computer-readable media as recited in claim 11, wherein the volatile memory comprises a random access memory of a search computer.
  16. 16. A computer-readable media having instructions for finding and displaying products found in a catalog, the instructions performing steps comprising:
    reading a searchable data structure into a random access memory of a search computer, the searchable data structure comprising a plurality of search records each representative of a product in the catalog wherein each search record further comprises data representative of search attributes of the corresponding product;
    receiving a search request comprising data representative of a user specified search attribute;
    comparing the data representative of the user specified search attribute to the data within the search records of the searchable data structure; and
    displaying to the user information representative of the search records that were found by the step of comparing to include search attributes that correspond to the user specified search attribute.
  17. 17. The computer-readable media as recited in claim 16, wherein the user specified search attribute is a user entered keyword.
  18. 18. The computer-readable media as recited in claim 16, wherein the user specified search attribute is selected from a predetermined list corresponding to selected ones of the search attributes represented within the search records.
  19. 19. The computer-readable media as recited in claim 16, wherein the instructions further perform steps comprising receiving one or more updated search requests each comprised of an additional user specified search attribute and, upon the receipt of each updated search request, using the additional user specified search attribute in the steps of comparing and displaying.
  20. 20. The computer-readable media as recited in claim 16, wherein the instructions further perform steps comprising reading a plurality of search data structures into the random access memory, each search data structure including search records that have a predetermined one of the search attributes in common.
  21. 21. A system for searching for products, comprising:
    means for receiving an electronic search request that includes data representative of an attribute of the information that is of interest to a searcher; and
    means for using the electronic search request to read from a volatile memory in which the electronic catalog is temporarily stored as a data structure comprised of a plurality of records each comprised of data representative of one or more attributes of a unit of the information those records that have data which corresponds to the attribute of the information that is of interest to the searcher.
  22. 22. A system for searching for finding and displaying products found in a catalog, comprising:
    a search computer having a volatile memory in which is temporarily stored a searchable data structure comprising a plurality of search records each representative of a product in the catalog wherein each search record further comprises data representative of search attributes of the corresponding product; and
    a client computer in communication with the search computer having a graphical user interface by which a user can specify a search request comprising data representative of a user specified search attribute which is transmitted in a search message to the search computer;
    wherein the search computer, upon receipt of the search message, compares the data representative of the user specified search attribute to the data within the search records of the searchable data structure, creates a response message including information representative of the search records that were found during the comparison to include search attributes that correspond to the user specified search attribute, and transmits the response message to the client computer; and
    wherein the client computer uses the graphical user interface to display to the user the information contained within the response message.
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US09877616 US7254582B2 (en) 2001-06-08 2001-06-09 System and method for creating a searchable electronic catalog
PCT/US2001/029878 WO2002101590A3 (en) 2001-06-08 2001-09-25 System and method for retrieving information from an electronic catalog
EP20010973462 EP1402409A2 (en) 2001-06-08 2001-09-25 System and method for retrieving information from an electronic catalog
US09963994 US20030105680A1 (en) 2001-06-08 2001-09-26 System and method for retrieving information from an electronic catalog
CA 2358204 CA2358204A1 (en) 2001-06-08 2001-10-03 System and method for retrieving information from an electronic catalog
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US20030083959A1 (en) 2003-05-01 application
US20030093337A1 (en) 2003-05-15 application
US7254582B2 (en) 2007-08-07 grant

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