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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教- @! l( ?* S- `) W) N- R
globals[8 W* G8 ~( |1 O5 x: @2 E" e* J
xmax
2 H. w/ x; ~; Fymax5 l" A X! `/ s- ~0 A2 D6 s
global-reputation-list4 S' O, u% E9 J5 X, B! N) ~. I
$ C- w+ w3 m$ _7 A
;;每一个turtle的全局声誉都存在此LIST中
( @! q0 k, P; B; C0 G3 Q+ ^$ ecredibility-list; T B! f- v8 S8 b" a
;;每一个turtle的评价可信度" u+ H/ N8 X% m# H) G0 T* ^+ R! B
honest-service
+ q7 p8 i& z- l! u xunhonest-service8 f3 C2 W' p# ^
oscillation2 z- }/ ]' ?5 \, ^0 ^0 a
rand-dynamic
, y# `; r; S# b7 C' l5 D/ Y6 z) t( ?]
( Q4 k4 f7 \: e) B- c8 s6 p V# o; N. g4 Q) [5 v
turtles-own[
! U' P! @, \/ ~7 j+ J" Z' \trade-record-all9 f2 |, O" N+ k O6 M& j
;;a list of lists,由trade-record-one组成
; |+ ~( f6 C; u9 dtrade-record-one, W7 u% [7 O9 t. n
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" \( E. Z& c7 l4 e6 S+ Y
% ]6 m( ~ e/ k5 A& f9 B;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
/ b1 Z1 a; ^3 q G* p; ?trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
, a3 K5 z' Y$ U; W) Ycredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list2 `0 T# i' i! n
neighbor-total* Z$ A- F3 C$ V' {4 i) V
;;记录该turtle的邻居节点的数目' o _2 o4 d5 B' T
trade-time
$ `& M3 Z/ N: j& G; c% ^/ \;;当前发生交易的turtle的交易时间# s+ j' I5 o2 a. C: c! A) c! y
appraise-give
+ H8 P7 ~6 g3 @5 D0 Y" B;;当前发生交易时给出的评价
! [( E Z' H) O$ R. k& ^7 c6 c# Tappraise-receive
, l" y1 H& @8 T5 s;;当前发生交易时收到的评价
# {8 Y0 D G3 t, }+ i# O) Jappraise-time
. l) d# {4 B+ V2 V, U. ~3 J;;当前发生交易时的评价时间8 k; a. R K1 @& v
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
! T8 \ _+ _6 z: @6 B! ttrade-times-total' |% R2 f! B/ \% N6 i" b2 X, O
;;与当前turtle的交易总次数
! M5 V- F% Z! Ktrade-money-total0 L1 K" [% J# j& f8 a
;;与当前turtle的交易总金额0 W _+ F; ]3 Y( ?/ q" }- F! c
local-reputation
- e4 E6 g& M' Pglobal-reputation
: @$ {" W2 x' ]) e9 ucredibility
P7 d* g$ U4 B2 a" c7 F;;评价可信度,每次交易后都需要更新; w: R- K1 f/ s. j/ Y
credibility-all1 B- k& T R$ W; |; }2 z d
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
" J, U" y. L* Z' ~' @" U' K: E5 n* N1 S
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.54 [. k7 z+ X1 z1 q& r7 r: D& O
credibility-one, _9 x- n0 s0 A2 B- ?7 M2 _9 a
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
! f( k7 @( T' r/ h( \: K% ~global-proportion
1 J0 o# Y3 l0 }9 L! b8 Ccustomer& U+ }3 L/ N. @* p; {
customer-no* a$ ~1 D5 c' d; Z
trust-ok L1 H* @& Z3 H$ n( h% |
trade-record-one-len;;trade-record-one的长度
! x) T" b0 K1 x' N; k" ~7 ?! j4 {]1 n9 t) C* N( j; O
7 c# s; E0 [6 j$ s6 p* k3 D
;;setup procedure
5 ]' k" L2 _1 u
) u5 S% `; V/ C# Ito setup5 x$ N3 f5 C# K8 E! W P
# @5 _8 g# Q: v( ?6 d
ca
: n. L, B( O" x: _6 O
: g3 C5 [8 f! M8 Y; a7 a7 Pinitialize-settings2 u& {/ E8 P6 a8 e4 f" H' ~
: @9 a' _1 [( u. h2 i% @
crt people [setup-turtles]$ m2 n6 ]/ @4 m0 |% Z$ }: B
3 w4 T4 z, q$ m2 B' X9 O0 Q& N
reset-timer- A) i* C/ Q3 Z/ n
! i' J, A- s, N' d5 G0 Epoll-class) T* E: {+ A P! l
% g+ ~9 k( E5 v, j
setup-plots
/ {7 u/ u, i# V9 g: U/ p5 B) o
! e9 {- H3 |5 c5 X0 _" Rdo-plots
7 C* z) }* B# I, X+ kend0 z: K" L w+ g* W
1 I7 r: [2 k) k, O8 X9 W
to initialize-settings
! Z. I5 G, A, v8 Z; O+ n% O+ n( C) H8 k
set global-reputation-list []
2 B% Z6 ]2 {6 y3 w5 y6 Z# w# M/ _, A$ H- I. Q4 U3 B
set credibility-list n-values people [0.5]: N% {1 }+ u9 o" ]
, B0 K& A: o) t4 @' [! B) _
set honest-service 0
8 u5 v8 U6 e% s+ y. ]8 Y$ ]0 Q) O
9 f, E2 L5 u. x4 L$ ^: }( y; f2 Oset unhonest-service 0
0 H1 ? H( s( r- N( M& W* L" T+ v9 Y
set oscillation 0! I) o$ l7 p; i, e Q6 L; a: E# P
: s+ p2 u S' zset rand-dynamic 0. |; B2 S' |9 c. w$ q
end
; I+ q( o% Q! V( T, Z
) t# v6 O7 i3 C) l& {$ Q7 i; q& Hto setup-turtles
- H! D$ k. T/ r3 Y, P5 Fset shape "person"3 `3 ~. `$ b8 l: ~- N+ h. l
setxy random-xcor random-ycor
( P; V9 [4 }8 L$ |/ d4 Y) j- Yset trade-record-one []
, ^5 z( R' S1 f1 a" Q( F0 L2 D9 ^8 k% z4 ~! i. F0 R
set trade-record-all n-values people [(list (? + 1) 0 0)] 0 g5 U2 t7 C4 o* F0 L( o4 h9 L
9 c( [% q# i5 ?* z3 r2 h9 T
set trade-record-current []' C- |) q, U$ C7 k3 y/ k8 a
set credibility-receive []
! P, k" s$ W; k) uset local-reputation 0.5* k9 ]5 w1 G, g! }) D! G
set neighbor-total 08 e; @, u$ ], q% l# O; v
set trade-times-total 0% A% p( B; k5 n9 _* E% ?3 }2 i* {
set trade-money-total 0 w4 [# h; f) |2 C4 e, c* O8 S1 [
set customer nobody
* ^2 g! M- o! a' Eset credibility-all n-values people [creat-credibility]
0 b1 S- R8 w, Yset credibility n-values people [-1]
3 Q* s& ~4 U# m, l3 Wget-color3 J/ x; n1 B4 r1 O T& O" U
& ]' H1 K, k! h# l& M$ i5 j, P- U$ J+ nend
+ C7 @2 X/ t l! U, j; r8 K: O1 W( O% K9 b" n1 X
to-report creat-credibility; N7 p1 x2 K( `! Q! x2 Z' u
report n-values people [0.5]
* o1 b5 M9 B9 ^7 kend* H0 t0 C$ O, \* B M
0 R7 L1 ^5 a' \; V
to setup-plots
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set xmax 30
. N7 [( {2 C' P" t8 j0 F$ }1 r( K7 T2 C1 k3 Y
set ymax 1.0
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clear-all-plots. y+ f1 U! E0 Q$ c! G
9 g2 U2 s1 `0 ]+ q3 n7 J9 k7 I
setup-plot1; @1 }1 f, ~7 ]- M1 L$ {
- x. i$ c6 G( G6 \/ k
setup-plot2
1 N$ C! G H4 T1 I/ q
/ |9 k; T% S' n2 ^setup-plot3
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) a, y1 a0 Q5 c/ V9 [
;;run time procedures
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! r$ ~: n- q' o* s0 b g, uto go( W' ^- ^+ a1 Q- H' D
. b/ f$ ^$ [' y$ b2 E6 O8 [) u
ask turtles [do-business]
6 E8 \! }5 P+ }0 Zend
' d4 K2 G/ r0 [( p" W
1 }" L2 _! X4 z. Mto do-business 9 }3 s- i4 o' T( Q1 r6 X# L
1 }3 }& _+ C3 _
. Y( O( p3 w; S4 _8 [/ Crt random 360( x( m h# _. D' O0 J; m, D, U/ u
. L O$ U" U: m! s5 ifd 1; s6 }9 t6 E/ m- J; |6 A0 X2 d* l; M
( U/ i+ O" @1 m; \1 jifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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7 N6 h' R2 v/ @# W1 G L8 K3 w;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)! d* E( [7 X, \9 a) S5 E8 O
[trade-record-all]of self
3 k# `$ ]* P/ A$ W;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- b& G' n0 A: k7 f/ N! z/ N2 z
* F [4 h5 s( f) A' J; ^set [trade-record-one] of customer item (([who] of self) - 1)
8 ?+ n1 b9 G- |7 U[trade-record-all]of customer& w9 T( ~4 ?- z O
# ^. [$ S3 `) V7 }( z- w# N! ^ [
set [trade-record-one-len] of self length [trade-record-one] of self+ _4 U8 ?1 v. A- s% J$ i: f/ S
$ v a& W9 K+ u" P8 K
set trade-record-current( list (timer) (random money-upper-limit))
1 |# ?: p) {; a; D% k% i
2 F/ l/ T$ U/ w7 Z: b Cask self [do-trust]
8 ?' ~. }: d0 }6 j5 K; m;;先求i对j的信任度# X0 v5 J$ d$ `! [% s
6 D% y& C" b% R& l( D: y! R
if ([trust-ok] of self)& z) M9 O7 Q: j& `! Y4 b) y
;;根据i对j的信任度来决定是否与j进行交易[
3 J; \# Q4 t* L- \9 c: U4 qask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 F/ \+ l$ n; q! j0 Q: l) R) q
+ X* n3 K3 p: {5 ]/ P/ W- d[
$ E- Z: D+ l$ j0 j$ _# \
, P8 b q2 C$ E0 C$ Pdo-trade
4 k7 N: z( ?% {5 p I- |' ?; l2 c
6 J) r; ~- E- T5 m5 Wupdate-credibility-ijl
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update-credibility-list( w8 v7 S5 A# Z3 d
3 V. Q0 a% J4 V6 _6 P* b
4 d! I7 k' Y% X5 `update-global-reputation-list
/ D% m8 m% m% h
" X/ q/ ^. k5 `7 \# Q# ipoll-class
# I1 c2 ]9 w/ `9 a
' C X5 x1 k- D5 wget-color1 F4 h2 G) @, O6 K4 ]' g) L. e
7 N3 ?3 l3 z3 y: _]]
' l' G- x! [* ~0 m" |8 i2 b+ e% i( L. N; n
;;如果所得的信任度满足条件,则进行交易
8 B! n) ^( j$ I' k8 W6 N) u* ^, ]" A$ A+ i4 K2 a& O# Y
[
" B: _$ \' E' R7 N* w4 S
# ^6 J% x3 v6 t. ort random 360* L1 F+ o: U j# r7 x2 G& V
) m: J0 C6 r$ P) x; E$ b
fd 1
+ ]7 Q/ x) b) x l
6 g% P* N' P [: y) Y0 V]* ^5 @" Y. h6 V) e3 S
; ^9 X3 U2 R. m& Z6 M* C
end r; K7 z! i, O6 x0 i
# @2 u$ L! U( bto do-trust
1 b1 X* }$ r) r' j8 F! U# cset trust-ok False
; y, d) V9 }/ |- J- U: V
: v' A% @6 x+ i+ n) F0 X" q# N. A. p% ^; e) v
let max-trade-times 0# z3 d8 z4 a- `# B' r" }% c
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] [0 W) }9 n3 o6 r% R
let max-trade-money 02 p1 z, m* z. I9 ~0 e, W4 L1 w) x7 `
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]: M7 [# \0 A: L# E1 Y( ]
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 \( k2 ?9 L7 @; ~: Q# _3 I8 s5 x: h
4 D" U6 t. P( Z# J9 X! V: @ \! t3 K
get-global-proportion% W8 G$ i$ Q4 q( a8 x- k1 p
let trust-value3 s* w5 g; o4 F4 \3 g; u j0 D h
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% ?9 y7 }# V" I; A
if(trust-value > trade-trust-value)4 G6 c6 J9 `! w1 P1 |8 b s1 B
[set trust-ok true]
) N! @- v c {- ?* S/ N1 Z- C8 Fend
6 a& D3 w8 {- Q; Q0 v: N/ k, B
5 ^8 x3 m3 x7 ~, O3 T# Vto get-global-proportion
! s' r5 z' \% p* ]ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
, T9 O2 @% x) c4 Q- p[set global-proportion 0]
9 m8 ^0 @0 y; D' f[let i 0
1 B, v, g# ]" x- v4 q% O/ R, ~let sum-money 0
7 q# V# ?2 ]- Dwhile[ i < people]
2 q2 K/ S' D, A. J* f, F[
" ?$ |) a) `8 ^" k3 S9 ^* j6 A" jif( length (item i. z, q+ ?6 D4 _3 |) Y5 y
[trade-record-all] of customer) > 3 )# v8 j, c7 G' d3 w8 h
[# G5 v+ P/ m; e& x9 t2 H, Y( v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& d7 E: h+ e; M0 q& t7 }
]4 F2 }$ K5 N8 f4 Y7 Z
]
6 f# N& g2 I2 ~: |$ L+ ilet j 0
( m$ N5 f, r/ I) m1 Y5 J5 }let note 04 E3 k7 k3 Z* H0 V9 S
while[ j < people]
- ?7 B6 F l5 U* e. v, O6 R[
8 y1 L* x& B+ ^if( length (item i9 Z" T; p% E# g9 J
[trade-record-all] of customer) > 3 )
0 S5 u8 g, J* u J, Y[4 D6 B7 L: @8 b
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" Z, w; ?/ N1 x! N/ i
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]- C" E- V+ Q3 ?* V: W4 n
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 f: R0 K* n6 f6 b% I
]9 W: ?6 ? P4 B2 f# a8 O" p
]
3 f5 z* X, ^1 h8 G* g4 \4 |8 ?; J& Uset global-proportion note; p, i; T# ~/ ]5 |: T
]
9 }9 M( Q. ]9 p l6 n: Z8 P/ s6 Oend
6 M& ~9 e7 {7 \# H2 w4 k2 ~( [+ y/ l* G
to do-trade
! F5 v! @2 @' y7 m; i, ^+ H1 x9 s+ H;;这个过程实际上是给双方作出评价的过程
& P% J, ^3 K) R7 {, l2 O6 F" r- g. J3 iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% M1 E& E1 P( w& @" [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
; I6 [8 ]$ D: V" N9 Uset trade-record-current lput(timer) trade-record-current" N' j; n6 \" ]. R0 t
;;评价时间
2 {# e* n$ P4 h G Uask myself [/ n4 u# z( x! c+ K1 s0 G( i
update-local-reputation
7 Z1 f: X: T0 c) \6 v- ~set trade-record-current lput([local-reputation] of myself) trade-record-current4 @1 Z! _+ f, H2 u+ A! p3 k% N
]* S. L7 v% R6 W% @, ~
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ O2 P- @; D8 p% E
;;将此次交易的记录加入到trade-record-one中& i' u( X& t; Y. E$ s7 g+ ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- u$ x( W9 t3 d" G# y; i
let note (item 2 trade-record-current )9 k( B2 _3 D, I
set trade-record-current, D7 W& k5 U7 c% ]2 s
(replace-item 2 trade-record-current (item 3 trade-record-current))
& f7 Z& L3 t3 s$ D. Oset trade-record-current
$ U0 i) c- ?, c* Y(replace-item 3 trade-record-current note)$ A- D) K7 @$ s
/ }8 z Q5 _5 s. ]" y
8 s) c+ t) I( z- E( m6 z1 w. a, fask customer [
4 t2 x8 n6 X7 r3 Z3 v5 lupdate-local-reputation
% E" {: s' `6 Y. Z! r3 g( xset trade-record-current
5 @. N# B6 `' d" ~' B! ~(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 u$ b- c6 k; z& F' b2 J
]
4 |& n2 I* C Z
, d, v% _5 j# K+ u \* H7 v4 \* Y% s* u/ O+ j l
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; b$ y2 J8 o% N' T) w/ G+ s
6 z H6 J8 B. ~- o# Z' w( w* {set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' U1 b0 I, M$ d* ~;;将此次交易的记录加入到customer的trade-record-all中" k( x8 a) ^7 w" r% b1 S7 i
end
/ b8 Z& k/ K5 D2 @1 m% R8 Z
. U' j, w3 Q- B$ _. A% K, L+ H: ito update-local-reputation: n% R2 Y/ C* Y' k( l
set [trade-record-one-len] of myself length [trade-record-one] of myself
y' M% U3 v! l0 @& I3 P+ L5 ]+ J. L+ A! y* i: ~
1 ]9 B/ e: G3 [& h! \5 }1 F;;if [trade-record-one-len] of myself > 3
- q# `% I6 K& }: K% Kupdate-neighbor-total- @1 K4 H* E" t! U- m
;;更新邻居节点的数目,在此进行
6 f; a, G" E$ w+ E/ wlet i 3
$ u' Z, T9 u: i |7 M% G9 }* flet sum-time 07 v; m9 j+ ?2 F, @ T! _4 B5 z5 H
while[i < [trade-record-one-len] of myself]+ F1 r( ^. N" Q5 e' t' ^
[1 h) y) A$ G4 H( s
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' s8 D, s, H6 M1 x N( W6 }
set i5 n. G$ ^+ e5 D: ]2 Z! s0 B V
( i + 1) J" O* K# y7 H1 O
]
, K8 q" |8 M" d/ g" z: x7 {/ M6 c* Olet j 3# h$ u$ K" L: x* \& c; z
let sum-money 0; y2 x, q+ p: C8 }
while[j < [trade-record-one-len] of myself]$ J6 Q6 E' g0 J2 G% H, \
[
$ R- c4 A7 {' i$ ]6 ~1 Q5 \set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 K) v$ o4 c, L2 K( _6 N
set j
8 Q5 D& D% f" X5 R$ F% V( j + 1)
0 t9 B' Y) \& D0 F]( j- g( P/ W$ c W- M# C! h1 g
let k 3
Q0 z3 G* T1 A1 E& W* R& g1 hlet power 05 ^2 |2 ?# }7 `+ X. ]
let local 06 w) R# B9 S0 c
while [k <[trade-record-one-len] of myself]
, E+ P- X1 [# u% c8 [[
8 s o! x! ^. m6 i1 z: aset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
' g, G3 d* h; d+ q/ l& m& h4 g [4 Wset k (k + 1)( y ?( q' K* y
]0 |6 V* Z) N* k2 c) S
set [local-reputation] of myself (local)
2 b2 o0 u+ X! ?% C3 w" _end& m# w+ `; }* O H( L$ n! Z
- q& A2 y$ N7 b; Bto update-neighbor-total2 d) c' M6 g1 J* z% o( \) n
9 {; ^! b6 [8 \- h# g+ E
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
/ S9 Y3 f9 _+ h Q/ f- h/ U7 I4 O* t [, p( X9 Y a2 a/ E
5 `% F7 A# x7 c# T$ _" N$ ~end
. j+ ?% W- q# M; [! c: t3 c
# e; O! }/ h7 s) @2 Z: {$ d& {to update-credibility-ijl 7 m6 X" K! P) R+ F6 j) a Z
. n) P) B7 d% };;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
2 o6 L& j3 C) x% `/ p5 R `let l 0
& j/ I# X8 V1 S! H8 k) S. Owhile[ l < people ]
; P9 o3 {$ P8 }% I$ Z) Y;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
3 V* g/ C: K4 j/ P[) o6 H( P0 T* |! H0 k
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 v4 _5 f: M% ^( W7 r' e( vif (trade-record-one-j-l-len > 3): `( H8 c! A7 s/ [5 J2 ?; P
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
+ P# J0 Q: s7 |) Z" Ilet i 3& C0 \4 e) }+ W, z, q- g
let sum-time 0
$ z! o* W' c& A9 Y! l% q. s! _. b) Wwhile[i < trade-record-one-len]/ a5 O+ I/ t; y8 h# n+ q+ A$ L- u
[4 U1 n1 x5 s# L( E- k- f! s
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )4 L& U, i& @$ k6 [* G+ y' O) v
set i! s c2 a& `( |4 D- ]
( i + 1)* F7 k" v2 C- C
]9 P9 F* i' g- V) c% a+ Z) L
let credibility-i-j-l 0
2 d! i9 s2 F: f;;i评价(j对jl的评价)2 Y/ Y7 M: F2 s! u0 ?; [3 N
let j 3( u/ Y# P& j5 @! c2 G e
let k 4
5 G( m, }. L# R2 m/ S% dwhile[j < trade-record-one-len]+ E" b+ f( C) v. @
[0 c$ t3 ~4 s3 n! s
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉, s2 R4 ~: a* i: c
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)# Z$ F. G& | {! P
set j
! y& o8 e3 p( p4 h1 g! E( j + 1)
# U8 d" m2 `4 I) R4 X: C6 E]
# A# B" @2 f( H! Eset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))* h+ L1 ?; l. g4 x7 @
6 r& z4 P3 w: B: m7 ~6 }% U& F0 p
9 K5 X8 ~; J# flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 L u2 ^5 I1 S# l. p
;;及时更新i对l的评价质量的评价
2 T+ x/ O$ H6 }" Gset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]# v1 `# q4 M, ~" j$ x3 Y4 L& q
set l (l + 1)
4 U7 {8 o+ A8 G: i. M* k]
1 \" K, y; a) P$ W2 ^end
C/ a. i4 h, O7 W
/ M( _9 R) y0 q! [to update-credibility-list7 o- p9 m" d" y( P
let i 0& t2 g2 _; r3 ]; @
while[i < people]# \" u& {1 M+ N# [7 X' k. W
[0 V/ \* ^4 e0 M1 t
let j 0
0 n# M. U8 \5 _7 ]7 S8 plet note 0
2 h: z. e8 X- L- y0 Z6 I8 `let k 0. _) Y4 `7 _1 u, c y9 o7 @
;;计作出过评价的邻居节点的数目
+ U7 y9 D. x. v( N' V7 Dwhile[j < people]
4 @- i7 [6 e2 d0 M[
% d) k0 k/ Q+ U) y, sif (item j( [credibility] of turtle (i + 1)) != -1)
$ p; F* {/ I' _" ]; n* x;;判断是否给本turtle的评价质量做出过评价的节点6 G# g, {! {& ^% O. B; e. j
[set note (note + item j ([credibility]of turtle (i + 1))) V$ a& m8 z9 J& F9 s( x, @
;;*(exp (-(people - 2)))/(people - 2))]
; n9 Q% Y+ L) _3 `set k (k + 1): ]$ Y/ U1 g1 ~& L& N
]+ u5 p5 A; x' m, l, r5 C1 i
set j (j + 1)0 w7 U! U' b& \& [4 P7 f
]" m9 ?# g5 i' J) J$ {
set note (note *(exp (- (1 / k)))/ k)
: u3 L1 _ Z; F8 ]! _set credibility-list (replace-item i credibility-list note)
5 |% Q. l$ Y/ ~/ r( eset i (i + 1). O$ M. W7 d" w! q. G' w
]
5 b+ \; B) f4 l) C$ E" g6 Qend
! ~3 t8 r% d/ q7 B8 _2 g9 i, O7 r: C: q
to update-global-reputation-list" I& R# H6 K J6 g- Q
let j 0
u( ~. P* w$ S5 J# `! Iwhile[j < people]
- h$ |. w |6 S, F3 _" T4 |[" U( p% ^( d0 ?, q* E6 h
let new 05 f/ }) {& b# `: Q
;;暂存新的一个全局声誉8 \5 ?) k$ W* ]/ i7 i( c
let i 0
* V6 [, n" q! D! F9 p7 w8 y8 flet sum-money 0
. m% O0 B/ {0 D! M6 ?let credibility-money 0
7 V7 l7 d$ @; K( l% d9 w: swhile [i < people]) C' U2 y1 `& q w- [
[$ f+ o' X$ k4 U
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 K; U9 ]0 v% w. A! Z" |9 Q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), C) K2 p6 ^0 T5 r
set i (i + 1)
/ z+ C8 h2 H8 k$ s1 v, V4 v]7 h; A N$ M' e3 o8 e
let k 0
6 n3 \. U) {% U0 H! klet new1 0
4 i; F1 |; h* u8 y T" Kwhile [k < people]2 U/ k5 t& Y7 L+ M9 f& @
[
n U- ^4 I( N+ x7 ?+ K. W, ^' eset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)4 q, E% j8 G$ P( m' B: x( @
set k (k + 1)6 k+ G2 [" `" i# ?
]$ A% w! H+ y3 o6 Y% P. g. b, E
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; C& M+ c* s. g: c6 j% f7 U5 Z, Zset global-reputation-list (replace-item j global-reputation-list new)! X( @& Z) F/ S
set j (j + 1) y2 ]' s5 | M8 ^
]+ M7 k4 X8 W* w9 c
end2 |1 D7 s( H0 b2 S; I% Z
0 Z; X/ [( L% w/ r- ]+ d
n. Y5 Q: }) a* u! {6 X. X7 W3 x* g7 n& X) w( E. I D+ X/ R- L* l! T
to get-color1 l- l. A1 l# C( ^" A' f
9 N7 J: L; E& K. K) S) o' m
set color blue0 q1 m# R3 e# P" u
end
; f$ A y: X5 ] J3 _1 W q) A; `! u1 Z
to poll-class
% T! h5 I8 `6 Q# ~end" J9 e) t/ G9 l' s
; M& a. j6 @: ]$ d7 x5 ` l( Eto setup-plot1
% O ]& [! B3 w3 X
3 a. O+ `! { s8 z3 `& M7 Gset-current-plot "Trends-of-Local-reputation"
K! F- m1 Z& ]. @" g' ?7 Q
6 Y, G5 @) q, Z5 t) c* Jset-plot-x-range 0 xmax
0 Q9 v- x. T; {! U5 x0 b; g
2 ]3 k- |) V6 g9 D0 ]9 Q Wset-plot-y-range 0.0 ymax. y# U% P% E6 e/ ^% E9 ]
end
0 d! P5 W* Z |2 H
8 B5 ]# b; s: T8 K. \- ], c( dto setup-plot2/ u0 [) H5 ? b6 X2 q
( n. _: X, z. K+ Y* F0 U" Sset-current-plot "Trends-of-global-reputation"
. H# ?- x/ K: s- S9 L- t* W) G y; ]+ I, W2 |+ {3 ^
set-plot-x-range 0 xmax
6 T% p& l' R( T, S, g1 b" M" b2 b2 j5 s, t% a9 K
set-plot-y-range 0.0 ymax( G3 R4 f' J1 C# X' F }* w
end o U0 c2 A2 P. h& ^& v& O; C
s1 C7 F+ r1 o9 l1 X5 `# c* g
to setup-plot3- _$ k2 u# M: U: _: V+ @
0 d% Y' u: b* P: m5 i
set-current-plot "Trends-of-credibility"$ B7 t3 Q8 \" r. d
: e* f% |* s0 c( G" A# ~
set-plot-x-range 0 xmax
: h; k' M3 p r
2 c- e' M1 K0 J+ ^9 Eset-plot-y-range 0.0 ymax
9 C5 e8 O3 x' T, Nend
, V7 K3 l$ n4 h" k$ r5 y* D4 h$ z1 l
to do-plots
+ h# v G; a) N- V! \, r& o4 rset-current-plot "Trends-of-Local-reputation"
3 i) L& o/ h2 B; K/ Nset-current-plot-pen "Honest service"$ ~9 A- c, m5 x! B0 P, e
end) e' O; ] Y& \& Z2 H* K- }' D
, H4 y# ^& x6 D% S4 { z" F% t
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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