Hot objects with sequenced links in web browsers

• US 6,175,862 B1
• Filed: 06/17/1998
• Issued: 01/16/2001
• Est. Priority Date: 06/17/1998
• Status: Expired due to Term

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Feig, Ephraim, Chen, Jeane Shu-Chun
• Primary Examiner(s): Maung, Zarni
• Assistant Examiner(s): Farahi, Farzaneh
• Application Number:
  US09/098,706
• Time in Patent Office: 944 Days
• Field of Search: 395/200, 395/615, 704/233, 704/276, 370/94
• US Class Current: 709/218
• CPC Class Codes: G06F 16/986 Document structures and storage, e.g. HTML extensions
• CPC Class Codes: Y10S 707/99945 Object-oriented database structure processing
• CPC Class Codes: Y10S 707/99948 Application of database or data structure, e.g. distributed, multimedia, or image

Abstract

The present invention extends a standard HTML browser to support a new data type, the Uniform Resource Locator Sequence (URLS). The URLS consists of a header and a sequence of URLs. The method of the present invention receives the URLS data then sequentially accesses the data of each URL comprising the URLS, obtains statistics on the response time to the requests for URLs, and times the calls for subsequent URLs in the sequence accordingly so that the arrival of the linked data nearly simulates actual streaming.

Claims

1. A method for creating a Uniform Resource Locator Sequence data type (URLS), the method comprising the steps of:

locating two or more URLs provided by a user to comprise said URLS, each of said URLs being associated with a resource;

determining a type of the resource of each said located URLs;

determining a size of the resource of each said located URLs;

determining a playback time of the resource of each said located URLs; and

storing a header including type of resource of said located URLs, and a sequence of entries URLS(j), where j is an integer from 1 to n, where each URLS(j) comprises a URL, the size parameter and the playback time parameter of the respective resource, wherein the data type is used for simulating a streaming server.

2. A method of claim 1, further comprising dividing the resource into a plurality of segments and associating each segment with one of said URLS.

3. A method of claim 2, wherein the division of resources is made according to time.

4. A method of claim 2, wherein the division of resources is made according to size.

5. A method of claim 3, wherein the segments are of approximately equal duration.

6. A method of claim 4, wherein the segments are of approximately equal size.

7. A method for requesting a Uniform Resource Locator Sequence data type (URLS) from a network, the URLS including a header containing types of one or more resources, each of said resources being associated with a URL, and a sequence of entries URLS(j), where j is an integer from 1 to n, where each URLS(j) comprises a URL, a size parameter and a playback time parameter of a respective resource, the method comprising the steps of:

a) initiating URL requests to each of the URLs included in a requested URLS for transmission over a data channel;

b) determining a timing sequence for the requests according to the timing, size and type parameters contained in said URLS and the bandwidth of the data channel; and

c) transmitting resources according to the timing sequence determined in step b over the channel for playback, wherein the data type is used for simulating a streaming server.

8. A method of claim 7, further including the step of playing back a resource simultaneously with the transmission of the next resource as described in step c.

9. A method of claim 7, wherein the initiation of the requests to the various URLs comprising the URLS is timed automatically according to a user predetermined timing sequence.

10. A method of claim 7, wherein the initiation of the requests to the various URLs comprising the URLS is timed manually according to a user provided input.

11. A method for requesting a Uniform Resource Locator Sequence data type (URLS) from a network, the URLS including a header containing types of one or more resources, each of said resources being associated with a URL, and a sequence of entries URLS(j), where j is an integer from 1 to n, where each URLS(j) comprises a URL, a size parameter and a playback time parameter of a respective resource, the method comprising the steps of:

a) extracting the type of resources of said URLs from a header portion of a URLS;

b) initiating one or more computer applications to playback said types of resources of said URLs;

c) selecting a playback mode;

d) partitioning the URLs comprising the URLS into segments;

e) determining a largest segment size BUFF and allocating at least two buffers each of size BUFF;

f) fetching the first segment and storing it in one of the empty buffers;

g) fetching the next segment and storing it in an empty buffer, and simultaneously displaying the segment stored in a full buffer until no more segments remain to be fetched; and

h) displaying the segment stored in the last full buffer and terminating the process, wherein the data type is used for simulating a streaming server.

12. A method of claim 11, wherein the fetching the next segment step further comprises determining whether the next segment fetch should be performed before the next segment display.

13. A method of claim 12, where the playback mode is the streaming mode.

14. A method of claim 13, wherein step c further comprises selecting a minimum time duration for uninterrupted display of data.

15. A method of claim 14, wherein the determination of whether the next segment fetch should be performed before the next segment display is made using a formula

16. A method of claim 15, wherein the step of partitioning the URLs comprising the URLS into segments is represented by:

(URL(1), . . . , URL(A₁)),

(URL(A₁+1), . . . , URL(A₂)),

(URL(A₂+1), . . . , URL(A₃)), etc., such that

17. A method of claim 16, wherein a buffer size BUFF is determined as follows:

18. A method of claim 12, where the playback mode is the manual mode.

19. A method of claim 18, wherein each URL is a segment.

20. A method of claim 11, wherein the playback data is video.