
US Patent No: 6,775,661
Number of patents in Portfolio can not be more than 2000
Querying databases using database pools
Stats
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Aug 10, 2004
Issued date -
Mar 21, 2001
filing date -
09/814,139
serial no -
In Force
status
Importance
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Abstract
Querying databases includes receiving a query for information, the query including a common identifier for a plurality of collections of data and indicating whether a result of the query may include a null result, searching each of the collections of data for the information, and considering a speed of each of the collections of data in performing the searching.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,338,055 Real-time query optimization in a decision support system | 54 | 1998 | |
| 6,408,291 Precomputing reference collections in a decision support system | 13 | 1998 | |
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| 6,397,206 Optimizing fixed, static query or service selection and execution based on working set hints and query signatures | 13 | 1999 | |
| 6,516,312 System and method for dynamically associating keywords with domain-specific search engine queries | 88 | 2000 | |
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| 5,442,791 Integrated remote execution system for a heterogenous computer network environment | 281 | 1994 | |
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| 6,195,652 Self-evolving database and method of using same | 39 | 1999 | |
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| 6,507,847 History database structure for Usenet | 41 | 1999 | |
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| 6,334,123 Index relational processor | 17 | 1999 | |
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| 6,282,538 Method and apparatus for generating query responses in a computer-based document retrieval system | 32 | 1998 | |
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| 6,484,184 Database network system | 4 | 2000 | |
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| 5,915,250 Threshold-based comparison | 131 | 1997 | |
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| 5,659,746 Method for storing and retrieving digital data transmissions | 54 | 1994 | |
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| 6,269,394 System and method for delivery of video data over a computer network | 158 | 1998 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 10, 2016 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |