System and method for converting an attachment in an e-mail for delivery to a device of limited rendering capability

• US 20030093565A1
• Filed: 07/03/2001
• Published: 05/15/2003
• Est. Priority Date: 07/03/2001
• Status: Abandoned Application

• Current Assignee: Eizel Technologies Incorporated (Nokia Corporation)
• Original Assignee: Eizel Technologies Incorporated (Nokia Corporation)
• Inventors: Schohn, Gregory C., Berger, Adam L., Romero, Richard D.
• Application Number:
  US09/898,134
• Publication Number:
  US 20030093565A1
• Time in Patent Office: Days
• US Class Current: 709/246
• CPC Class Codes: H04L 51/066 Format adaptation, e.g. format conversion or compression
• CPC Class Codes: H04L 51/58 Message adaptation for wireless communication
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A method and system for converting an attachment in an e-mail for delivery to a client device of limited rendering capability. The method includes downloading the e-mail and the attachment in response to a request from a client device for the e-mail, transforming the attachment into a plurality of sub-documents, each sub-document being expressed in a format that is compatible with the client device and being a size not greater than a maximum rendering size capability of the client device, wherein a first sub-document includes a link to a second sub-document, and serving the first sub-document to the client device.

Claims

1. A method for converting an attachment in an e-mail for delivery to a client device of limited rendering capability, comprising:

downloading the e-mail and the attachment in response to a request from a client device for the e-mail;

transforming the attachment into a plurality of sub-documents, each sub-document being expressed in a format that is compatible with the client device and being a size not greater than a maximum rendering size capability of the client device, wherein a first sub-document includes a link to a second sub-document; and

serving the first sub-document to the client device.

2. The method of claim 1, further comprising:

serving the e-mail to the client device, the e-mail including a link to the attachment; and

receiving a request from the client device corresponding to an invocation of the link for the attachment,

wherein transforming the attachment into the plurality of sub-documents is performed after receiving the request from the client device corresponding to the invocation of the link for the attachment.

3. The method of claim 2, further comprising:

downloading the e-mail and the attachment in response to receiving the request for the e-mail and the attachment from the client device; and

storing the e-mail and the attachment.

4. The method of claim 3, wherein storing the e-mail and the attachment is performed prior to transforming the attachment.

5. The method of claim 1, further comprising serving the second document to the client device in response receiving from the client device an invocation of the link to the second sub-document.

6. The method of claim 1, further comprising altering a portion of text of the attachment based on preferences associated with the client device.

7. The method of claim 6, wherein the step of altering a portion of text of the attachment is performed prior to transforming the attachment into a plurality of sub-documents.

8. The method of claim 1, wherein:

downloading the attachment includes downloading an attachment that is expressed in a first format that is incompatible with the client device; and

transforming the attachment includes;

transforming the attachment to a second format;

segmenting the attachment into the plurality of sub-documnents; and

transforming the first sub-document to a third format that is compatible with the client device prior to serving the first sub-document to the client device.

9. The method of claim 8, wherein transforming the attachment to a second format includes transforming the attachment to XML.

10. The method of claim 9, wherein transforming the first sub-document to a third format includes one of transforming the first-subdocument to WML, transforming the first-subdocument to HDML, and transforming the first-subdocument to HTML.

11. The method of claim 8, wherein:

transforming the attachment to a second format includes transforming the attachment to a second format that includes a hierarchy of segments; and

segmenting the attachment into a plurality of sub-documents includes assembling the sub-documents from the segments.

12. The method of claim 11, wherein assembling includes assembling the sub-documents from the segments according to an algorithm that favors assembling each of the subdocuments from segments that have common parents in the hierarchy.

13. The method of claim 11, wherein assembling includes assembling the sub-documents according to an algorithm that favors balancing respective sizes of the sub-documents.

14. The method of claim 11, wherein assembling includes assembling the sub-documents from the segments according to an algorithm that favors assembling each of the sub-documents from segments for which replications of nodes in the hierarchy is not required.

15. A device for converting an attachment in an e-mail for delivery to a client device of limited rendering capability, comprising:

a conversion module for converting the attachment to an intermediate format;

a segmentation module for segmenting the attachment into a plurality of sub-documents, each sub-document being a size not greater than a maximum rendering size capability of the client device, wherein a first sub-document includes a link to a second sub-document; and

a translation module for translating one of the sub-documents to a format that is compatible with the client device for serving to the client device.

16. The device of claim 15, further comprising a transformation module for altering a portion of text of the attachment based on preferences associated with the client device.

17. The device of claim 15, further comprising a content reorganization module for reorganizing content in the attachment.

18. The device of claim 15, further comprising a response template module for serving to client device a sub-document including a response template for responding to the e-mail.

19. A device for converting an attachment in an e-mail for delivery to a client device of limited rendering capability, comprising:

means for converting the attachment to an intermediate format;

means for segmenting the attachment into a plurality of sub-documents, each sub-document being a size not greater than a maximum rendering size capability of the client device, wherein a first sub-document includes a link to a second sub-document; and

means for translating one of the sub-documents to a format that is compatible with the client device for serving to the client device.

20. The device of claim 19, further comprising means for altering a portion of text of the attachment based on preferences associated with the client device.

21. The device of claim 19, further comprising a content reorganization module for reorganizing content in the attachment.

22. The device of claim 19, further comprising means for serving to client device a sub-document including a response template for responding to the e-mail.

23. A method of condensing an electronic document associated with an e-mail for delivery to a client device of limited rendering capability, comprising:

receiving a request for the electronic document from the client device over a communication channel;

altering a portion of a first version the electronic document to produce a second version of the attachment that is smaller than the first version of the attachment based on a preference associated with the client device; and

transmitting the second version of the electronic document to the client device over the communication channel in response to the request.

24. The method of claim 23, wherein receiving a request for the electronic document is selected from the group consisting of receiving a request for an attachment to the e-mail and receiving a request for a web page referred to by an embedded link in the e-mail.

25. The method of claim 23, further comprising defining the preference associated with the client device prior to altering a portion of text of the first version of the electronic document.

26. The method of claim 25, wherein defining the preference includes defining the preference through an interface of the client device.

27. The method of claim 25, wherein defining the preference includes defining the preference through an interface of a device other than the client device.

28. A method comprising:

obtaining information regarding preferences with respect to preferred alterations to be performed on an e-mail attachment requested by a client device; and

associating the preferences with the client device in a database.

29. A device for condensing an electronic document associated with an e-mail for delivery to a client device of limited rendering capability, comprising a transformation module for altering a portion of a first version of document to produce a second version of the electronic document that is smaller than the first version of the electronic document based on a preference associated with the client device.

30. The device of claim 29, wherein the electronic document associated with the e-mail is selected from the group consisting of an e-mail attachment and a web page referred to by an embedded link in the e-mail.

31. A method comprising:

downloading, at a proxy server, an attachment to an e-mail in response to a request for the attachment from a client device, wherein the attachment is expressed in a format that is incompatible with the client device;

transforming, at the proxy server, the attachment to a second format that is compatible with the client device; and

serving the attachment from the proxy server to the client device.

32. The method of claim 31, wherein transforming the attachment to the second format includes:

transforming the attachment to an intermediate format;

segmenting the attachment into a plurality of sub-documents; and

transforming the sub-documents to the second format, and wherein serving the attachment includes serving a sub-document in the second format from the proxy server to the client device when requested by the client device.

33. A method of reorganizing content of an electronic document associated with an e-mail for delivery to a client device, comprising:

downloading the electronic document in response to a request from the client device, the electronic document represented by serial data that contains the content of the document and defines an order in which respective portions of the content are to be performed;

analyzing the serial data of the electronic document; and

generating reorganization information for use in delivering portions of the content of the document, the reorganization information enabling performance in an order different from the order defined by the serial data.

34. The method of claim 33, wherein downloading the electronic document is selected from the group consisting of downloading an attachment to the e-mail and downloading a web page referred to by an embedded link in the e-mail.

35. The method of claim 33, wherein generating reorganization information includes generating reorganization information that includes an identification of a relative importance of respective portions of the content.

36. The method of claim 33, wherein analyzing includes locating an annotation inserted in the electronic document as a marker of location of a main block of text.

37. The method of claim 33, wherein generating reorganization information includes generating reorganization information that includes a hyperlink to be displayed near the beginning of the document, the hyperlink pointing to a portion of the content that appears later in the document according to the order defined by the serial data.

38. The method of claim 33, wherein generating reorganization information includes generating reorganization information that includes a redirection from a first portion of the content of the document to a later portion of the content when the document is opened for performance.

39. The method of claim 33, wherein analyzing the serial data includes determining a portion of the document including central content of the document.

40. The method of claim 39, wherein generating reorganization information includes inserting a link from near a beginning of a first portion of the content to a beginning of the central content portion.

41. The method of claim 39, wherein generating reorganization information includes altering the document so that the central content portion appears first when the document is performed.

42. The method of claim 33, wherein analyzing includes identifying portions of the content that should not be separated in generating the reorganization information.

43. The method of claim 33, wherein analyzing includes identifying portions of the content that should not be moved relative to other portions of the content in generating the reorganization information.

44. The method of claim 33, wherein analyzing includes converting the document to a hierarchical format.

45. A device for reorganizing content of an electronic document associated with an e-mail for delivery to a client device, comprising:

a reorganization module for downloading the electronic document in response to a request from the client device, the electronic document represented by serial data that contains the content of the document and defines an order in which respective portions of the content are to be performed, for analyzing the serial data of the electronic document, and for generating reorganization information for use in delivering portions of the content of the document, the reorganization information enabling performance in an order different from the order defined by the serial data.

46. The device of claim 45, wherein the electronic document is selected from the group consisting of an attachment to the e-mail and a web page referred to by an embedded link in the e-mail.

47. A method comprising:

receiving a request for an e-mail from a client device over a communications channel;

downloading the e-mail in response to the request;

modifying the e-mail to include a response template; and

serving the modified e-mail to the client device.

48. The method of claim 47, wherein modifying the e-mail includes:

segmenting the e-mail into a plurality of sub-documents; and

adding an additional sub-document that includes the response template.

49. The method of claim 48, wherein adding the additional sub-document that includes the response template includes adding an additional sub-document that includes a response template unique to the client device.